<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%%
%% This is file `appolb.cls',
%% adapted from `article.cls' ver. 1997/10/10 v1.3x
%%
%% with Copyright info:
%%
%% Copyright 1993 1994 1995 1996 1997
%% The LaTeX3 Project and any individual authors listed elsewhere
%% in this file.
%% 
%% For further copyright information, and conditions for modification
%% and distribution, see the file legal.txt, and any other copyright
%% notices in this file.
%% 
%% This file defines the style for articles
%% to be published in Acta Physica Polonica B.
%% ----------------------------------------
%%   This file is distributed in the hope that it will be useful,
%%   but WITHOUT ANY WARRANTY; without even the implied warranty of
%%   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
%% 
%%   For error reports concerning UNCHANGED versions of this file
%%   contact via e-mail to acta@jetta.if.uj.edu.pl.
%% 
\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesClass{appolb}
              [1999/01/05 v1.01
 Acta Physica Polonica B]
\newif\if@restonecol
\newif\if@titlepage
\@titlepagefalse
\@twosidetrue  \@mparswitchtrue
\def\@date{0}
\DeclareOption{a4paper}
   {\setlength\paperheight {297mm}%
    \setlength\paperwidth  {210mm}}
\DeclareOption{b5paper}
   {\setlength\paperheight {250mm}%
    \setlength\paperwidth  {176mm}}
\DeclareOption{letterpaper}
   {\setlength\paperheight {11in}%
    \setlength\paperwidth  {8.5in}}
\DeclareOption{draft}{\setlength\overfullrule{5pt}}
\DeclareOption{final}{\setlength\overfullrule{0pt}}
%\DeclareOption{notitlepage}{\@titlepagefalse}
%\DeclareOption{openbib}{%
%  \AtEndOfPackage{%
%   \renewcommand\@openbib@code{%
%      \advance\leftmargin\bibindent
%      \itemindent -\bibindent
%      \listparindent \itemindent
%      \parsep \z@
%      }%
%   \renewcommand\newblock{\par}}%
%}
\ExecuteOptions{a4paper,final}
\ProcessOptions
\input{size11.clo}
\@ifl@t@r\fmtversion{1997/12/01}{}%
  {%\@latex@warning@no@line{only release `\fmtversion' is available}%
\def\@textsuperscript#1{%
  {\m@th\ensuremath{^{\mbox{\fontsize\sf@size\z@#1}}}}}%
}
\textwidth=126mm
\textheight=190mm
    \setlength\@tempdima        {\paperwidth}
    \addtolength\@tempdima      {-\textwidth}
    \setlength\oddsidemargin    {.5\@tempdima}
    \addtolength\oddsidemargin  {-1in}
    \setlength\marginparwidth   {.5\@tempdima}
    \addtolength\marginparwidth {-\marginparsep}
    \addtolength\marginparwidth {-0.4in}
  \@settopoint\oddsidemargin
  \@settopoint\marginparwidth
  \setlength\evensidemargin  {\paperwidth}
  \addtolength\evensidemargin{-2in}
  \addtolength\evensidemargin{-\textwidth}
  \addtolength\evensidemargin{-\oddsidemargin}
  \@settopoint\evensidemargin
  \setlength\topmargin{\paperheight}
  \addtolength\topmargin{-2in}
  \addtolength\topmargin{-\headheight}
  \addtolength\topmargin{-\headsep}
  \addtolength\topmargin{-\textheight}
  \addtolength\topmargin{-\footskip}     % this might be wrong!
  \addtolength\topmargin{-.5\topmargin}
  \@settopoint\topmargin
%***************************************************************************
\newif\ifRedakcja
\Redakcjafalse

\DeclareFontFamily{T1}{appb}{}
\DeclareFontShape{T1}{appb}{m}{n}{&lt;8&gt;ecrm0800 &lt;12&gt;ecrm0700 &lt;14.4&gt;ecrm1440}{}
\DeclareFontShape{T1}{appb}{bx}{n}{&lt;24.88&gt;ecbx1200 &lt;29.86&gt;ecbx1200 &lt;35.83&gt;ecbx1200}{}
\DeclareFontFamily{OT1}{appb}{}
\DeclareFontShape{OT1}{appb}{m}{n}{&lt;8&gt;cmr8 &lt;12&gt;cmr7 &lt;14.4&gt;cmr12}{}
\DeclareFontShape{OT1}{appb}{bx}{n}{&lt;24.88&gt;cmbx12 &lt;29.86&gt;cmbx12 &lt;35.83&gt;cmbx12}{}
\def\titlefont{\large\fontfamily{appb}\fontseries{m}\fontshape{n}\selectfont\ignorespaces}
\def\appHuge{\fontfamily{appb}\fontseries{bx}\fontshape{n}\fontsize{24.88pt}{30pt}\selectfont\ignorespaces}
\def\appHUge{\fontfamily{appb}\fontseries{bx}\fontshape{n}\fontsize{29.86pt}{36pt}\selectfont\ignorespaces}
\def\appHUGe{\fontfamily{appb}\fontseries{bx}\fontshape{n}\fontsize{35.83pt}{42pt}\selectfont\ignorespaces}
\def\appheadcs{\small\scshape}
\def\appheadit{\small\itshape}
\def\appauthcs{\normalsize\scshape}
\def\appfont{\scriptsize\itshape}

\setlength\lineskip{1\p@}
\setlength\normallineskip{1\p@}

\renewcommand{\baselinestretch}{0.94}

\parskip=0pt plus 1pt
\@lowpenalty   51
\@medpenalty  151
\@highpenalty 301
\setcounter{topnumber}{2}
\renewcommand\topfraction{1}
\setcounter{bottomnumber}{1}
\renewcommand\bottomfraction{1}
\setcounter{totalnumber}{3}
\renewcommand\textfraction{0}
\renewcommand\floatpagefraction{1}
\setcounter{dbltopnumber}{2}
\renewcommand\dbltopfraction{1}
\renewcommand\dblfloatpagefraction{1}
\if@twoside
  \def\ps@headings{%
      \let\@oddfoot\@empty\let\@evenfoot\@empty
    \def\@evenhead{{\small\thepage}\hfil\slshape\leftmark}%
    \def\@oddhead{{\slshape\rightmark}\hfil{\small\thepage}}%
      \let\@mkboth\markboth
        }
\else
  \def\ps@headings{%
    \let\@oddfoot\@empty
    \def\@oddhead{{\slshape\rightmark}\hfil\thepage}%
    \let\@mkboth\markboth
    \def\sectionmark##1{%
      \markright {\MakeUppercase{%
        \ifnum \c@secnumdepth &gt;\m@ne
          \thesection\quad
        \fi
        ##1}}}}
\fi
\def\ps@titpage{%
    \def\@oddfoot{\hfil\small(\thepage)\hfil}%
  \let\@evenfoot\@oddfoot
    \def\@oddhead{\ifRedakcja\titleheading\else\hfil\fi}%
    \let\@evenhead\@oddhead
    \let\@mkboth\@gobbletwo
    \let\sectionmark\@gobble
    \let\subsectionmark\@gobble
    }
\def\ps@plain{%
  \let\@oddfoot\@empty\let\@evenfoot\@empty
  \def\@evenhead{{\small\thepage}\hfil}%
  \def\@oddhead{\hfil{\small\thepage}}%
}

\newif\ifPreprint
\Preprintfalse
\def\prepNo{}
\def\preprint#1{\Preprinttrue\gdef\prepNo{#1}}
\newcount\volume \volume=0
\let\pageno=\c@page
\newcount\No     \No=0

\def\titleheading{\small\rm Vol.~\thevolume\ (\theyear)
  \hfil {\appfont ACTA PHYSICA POLONICA B} \hfil No \theNo}
\def\thevolume{\ifnum\volume=0
?\else \the\volume\fi}
\def\theyear{\ifnum\year=0
????\else\the\year\fi}
\def\theNo{\ifnum\No=0
?\else\the\No\fi}

\def\runhead{\ifPreprint ~\else\jobname ~~ printed on \today\fi}
\def\thetitle{\ifRedakcja Use $\backslash${\tt headtitle\{...\}}\else\runhead\fi}
\def\headtitle#1{\gdef\thetitle{#1}}

\def\and{\\\vskip6pt and\\\vskip6pt}
\def\thenames{\ifRedakcja Use $\backslash${\tt headauthor\{...\}}\else\runhead\fi}
\def\headauthor#1{\gdef\thenames{#1}}

\def\Out@received{(Received \@date )}

\let\WERS\MakeUppercase

\def\title#1{\gdef\@title{#1}}
\newskip\AdrSkip \AdrSkip=12pt plus 0pt minus 0pt
%\newskip\RcvSkip \RcvSkip=12pt plus 0pt minus 0pt
\newskip\TitSkip \TitSkip=52pt plus 0pt minus 0pt

\def\address#1{\par\vskip\AdrSkip{\small\rm #1}}
\def\received#1{\date{#1}}
\def\PACS#1{\par\noindent\strut\kern18pt{\small\rm PACS numbers: #1}\par}

\if@titlepage % not adapted
  \newcommand\maketitle{\begin{titlepage}%
  \let\footnotesize\small
  \let\footnoterule\relax
  \let \footnote \thanks
  \null\vfil
  \vskip 60\p@
  \begin{center}%
    {\LARGE \@title \par}%
    \vskip 3em%
    {\large
     \lineskip .75em%
      \begin{tabular}[t]{c}%
        \@author
      \end{tabular}\par}%
      \vskip 1.5em%
    {\large \@date \par}%       % Set date in \large size.
  \end{center}\par
  \@thanks
  \vfil\null
  \end{titlepage}%
  \setcounter{footnote}{0}%
  \global\let\thanks\relax
  \global\let\maketitle\relax
  \global\let\@thanks\@empty
  \global\let\@author\@empty
  \global\let\@date\@empty
  \global\let\@title\@empty
  \global\let\title\relax
  \global\let\author\relax
  \global\let\date\relax
  \global\let\and\relax
}
\else % adapted
%&lt;???&gt;
\newcommand\maketitle{%\par
  \begingroup
	\def\@fnsymbol##1{\ensuremath{\ifcase##1\or *\or **\or {\char42}{\char42}{\char42}\or \dagger\or \ddagger\or
	   \mathsection\or \mathparagraph\or \|\or \dagger\dagger
	   \or \ddagger\ddagger \else\@ctrerr\fi}}%
    \renewcommand\thefootnote{\@fnsymbol\c@footnote}%
%    \def\@makefnmark{\@textsuperscript{\normalfont\large\@thefnmark}}%
    \def\@makefnmark{\@textsuperscript{\normalfont\@thefnmark}}%
    \if@twocolumn
      \ifnum \col@number=\@ne
        \@maketitle
      \else
        \twocolumn[\@maketitle]%
      \fi
    \else
      \newpage
      \global\@topnum\z@   % Prevents figures from going at top of page.
      \@maketitle
    \fi
    \thispagestyle{titpage}%
    \@thanks
  \endgroup
  \setcounter{footnote}{0}%
  \global\let\thanks\relax
  \global\let\maketitle\relax
  \global\let\@maketitle\relax
  \global\let\@thanks\@empty
  \global\let\@author\@empty
  \global\let\@date\@empty
  \global\let\@title\@empty
  \global\let\title\relax
  \global\let\author\relax
  \global\let\date\relax
  \global\let\and\relax
\markboth{\appheadcs\thenames\hfil}{\hfil\appheadit\thetitle}%
}
%&lt;???&gt;
\def\@maketitle{%
  \newpage
  \vbox{\vskip\TitSkip}%
{\centering
  \let \footnote \thanks
\mathversion{bold}%
  {\let\\=\break
%	\def\@fnsymbol##1{\ensuremath{\ifcase##1\or *\or **\or {\char42}{\char42}{\char42}\else\@ctrerr\fi}}%
  \def\@makefnmark{\@textsuperscript{\normalfont\large\@thefnmark}}%
  \titlefont\@title\par
  \ifnum\value{footnote}&lt;3\setcounter{footnote}{3}\fi
  }%
\mathversion{normal}%
  \vskip\AdrSkip
  {\appauthcs
\@author
\par}%
\vskip\AdrSkip
\par
%
\if0\@date\vskip12pt\relax\else{\small\itshape\Out@received}\fi
\par
}}
\fi

\setcounter{secnumdepth}{3}
\newcounter {part}
\newcounter {section}
\newcounter {subsection}[section]
\newcounter {subsubsection}[subsection]
%\newcounter {paragraph}[subsubsection]
%\newcounter {subparagraph}[paragraph]
\renewcommand \thepart {\@Roman\c@part}
\renewcommand \thesection {\@arabic\c@section}
\renewcommand\thesubsection   {\thesection.\@arabic\c@subsection}
\renewcommand\thesubsubsection{\thesubsection .\@arabic\c@subsubsection}
%\renewcommand\theparagraph    {\thesubsubsection.\@arabic\c@paragraph}
%\renewcommand\thesubparagraph {\theparagraph.\@arabic\c@subparagraph}
\newcommand\part{\par
   \addvspace{4ex}%
   \@afterindentfalse
   \secdef\@part\@spart}

\def\@part[#1]#2{%
    \ifnum \c@secnumdepth &gt;\m@ne
      \refstepcounter{part}%
      \addcontentsline{toc}{part}{\thepart\hspace{1em}#1}%
    \else
      \addcontentsline{toc}{part}{#1}%
    \fi
    {\parindent \z@ \raggedright
     \interlinepenalty \@M
     \normalfont
     \ifnum \c@secnumdepth &gt;\m@ne
       \Large\bfseries \partname~\thepart
       \par\nobreak
     \fi
     \huge \bfseries #2%
     \markboth{}{}\par}%
    \nobreak
    \vskip 3ex
    \@afterheading}
\def\@spart#1{%
    {\parindent \z@ \raggedright
     \interlinepenalty \@M
     \normalfont
     \huge \bfseries #1\par}%
     \nobreak
     \vskip 3ex
     \@afterheading}

%%%%%%%%%%%%%%%    SECTIONS
% \section etc. defined in article.cls
% \@startsection {NAME}{LEVEL}{INDENT}{BEFORESKIP}{AFTERSKIP}{STYLE}
% \z@ = 0pt
% if BEFORESKIP &lt; 0 the no parindent for the first paragraph
\newcommand\section{\@startsection {section}{1}{\z@}%
                                   {3.5ex \@plus 1ex \@minus .2ex}%
                                   {1.3ex \@plus.2ex}%
                                   {\normalfont\normalsize\bfseries\mathversion{bold}\centering}}
\newcommand\subsection{\@startsection{subsection}{2}{\z@}%
                                     {3.25ex\@plus 1ex \@minus .2ex}%
                                     {1ex \@plus .2ex}%
                                     {\normalfont\normalsize\it\centering}}
\newcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
                                     {3.25ex\@plus 1ex \@minus .2ex}%
                                     {1ex \@plus .2ex}%
                                     {\normalfont\footnotesize\bfseries\mathversion{bold}}}

% \@seccntformat is LaTeX command
\renewcommand\@seccntformat[1]{\csname the#1\endcsname .~}

%\newcommand\paragraph{\@startsection{paragraph}{4}{\z@}%
%                                    {3.25ex \@plus1ex \@minus.2ex}%
%                                    {-1em}%
%                                    {\normalfont\normalsize\bfseries}}
%\newcommand\subparagraph{\@startsection{subparagraph}{5}{\parindent}%
%                                       {3.25ex \@plus1ex \@minus .2ex}%
%                                       {-1em}%
%                                      {\normalfont\normalsize\bfseries}}
\setlength\leftmargini  {2.5em}
\leftmargin  \leftmargini
\setlength\leftmarginii  {2.2em}
\setlength\leftmarginiii {1.87em}
\setlength\leftmarginiv  {1.7em}
\setlength\leftmarginv  {1em}
\setlength\leftmarginvi {1em}
\setlength  \labelsep  {.5em}
\setlength  \labelwidth{\leftmargini}
\addtolength\labelwidth{-\labelsep}
\@beginparpenalty -\@lowpenalty
\@endparpenalty   -\@lowpenalty
\@itempenalty     -\@lowpenalty
\renewcommand\theenumi{\@arabic\c@enumi}
\renewcommand\theenumii{\@alph\c@enumii}
\renewcommand\theenumiii{\@roman\c@enumiii}
\renewcommand\theenumiv{\@Alph\c@enumiv}
\newcommand\labelenumi{\theenumi.}
\newcommand\labelenumii{(\theenumii)}
\newcommand\labelenumiii{\theenumiii.}
\newcommand\labelenumiv{\theenumiv.}
\renewcommand\p@enumii{\theenumi}
\renewcommand\p@enumiii{\theenumi(\theenumii)}
\renewcommand\p@enumiv{\p@enumiii\theenumiii}
\newcommand\labelitemi{\textbullet}
\newcommand\labelitemii{\normalfont\bfseries \textendash}
\newcommand\labelitemiii{\textasteriskcentered}
\newcommand\labelitemiv{\textperiodcentered}
\newenvironment{description}
               {\list{}{\labelwidth\z@ \itemindent-\leftmargin
                        \let\makelabel\descriptionlabel}}
               {\endlist}
\newcommand*\descriptionlabel[1]{\hspace\labelsep
                                \normalfont\bfseries #1}
\if@titlepage
  \newenvironment{abstract}{%
      \titlepage
      \null\vfil
      \@beginparpenalty\@lowpenalty
      \begin{center}%
        \bfseries \abstractname
        \@endparpenalty\@M
      \end{center}}%
     {\par\vfil\null\endtitlepage}
\else
  \newenvironment{abstract}{%
				\topsep=0.5\AdrSkip
				\list{}{\listparindent 1.5em
				    \itemindent\listparindent
				    \leftmargin\parindent
				    \rightmargin\leftmargin
				\small
				}\item\relax}
      {\endquotation}
\fi

%%%%%%%%%%%%%%%%  EQUATIONS

\newif\ifeq@sec
\eq@secfalse

\def\eqsec{%
\eq@sectrue
\def\theequation{\thesection.\@arabic\c@equation}%
\@addtoreset{equation}{section}%
}

\newlength{\eqcolsep}

\def\inc@eqCount{\stepcounter{equation}}
\def\dec@eqCount{\global\advance\c@equation\m@ne}
%---&gt; \eqnarray is LaTeX command
%\def\equation{$$\refstepcounter{equation}}
%\def\endequation{\eqno \hbox{\@eqnnum}$$\@ignoretrue}
\renewenvironment{eqnarray}{%
   \inc@eqCount
   \def\@currentlabel{\p@equation\theequation}%
   \global\@eqnswtrue
   \m@th
   \global\@eqcnt\z@
   \tabskip\@centering
   \let\\\@eqncr
   $$\everycr{}\halign to\displaywidth\bgroup
       \hskip\@centering$\displaystyle\tabskip\z@skip{##}$\@eqnsel
      &amp;\global\@eqcnt\@ne\hskip \eqcolsep \hfil${##}$\hfil
      &amp;\global\@eqcnt\tw@ \hskip \eqcolsep
         $\displaystyle{##}$\hfil\tabskip\@centering
      &amp;\global\@eqcnt\thr@@ \hbox to \z@\bgroup\hss##\egroup
         \tabskip\z@skip
      \cr
}
{%
      \@@eqncr
      \egroup
%      \global\advance\c@equation\m@ne
      \dec@eqCount
   $$\@ignoretrue
}

\def\@@eqncr{\let\reserved@a\relax
    \ifcase\@eqcnt \def\reserved@a{&amp; &amp; &amp;}\or \def\reserved@a{&amp; &amp;}%
     \or \def\reserved@a{&amp;}\else
       \let\reserved@a\@empty
       \@latex@error{Too many columns in eqnarray environment}\@ehc\fi
     \reserved@a \if@eqnsw\@eqnnum\inc@eqCount\fi
     \global\@eqnswtrue\global\@eqcnt\z@\cr}
\let\@seqncr=\@eqncr
%----------------------------------------------------------------
\newcounter{eqlett}

\newenvironment{eqletters}{%
\inc@eqCount \setcounter{eqlett}{0}%
\edef\@currentlabel{\theequation}%
\let\@oeq\theequation
\def\theequation{\@oeq\alph{eqlett}}%
\def\inc@eqCount{\addtocounter{eqlett}{1}}%
\def\dec@eqCount{\addtocounter{eqlett}{-1}}%
\def\equation{$$\stepcounter{eqlett}%
   \def\@currentlabel{\p@equation\theequation}%
}\bgroup
}
{%
\egroup%\ignorespaces
\@ignoretrue
}

\newenvironment{verse}
               {\let\\\@centercr
                \list{}{\itemsep      \z@
                        \itemindent   -1.5em%
                        \listparindent\itemindent
                        \rightmargin  \leftmargin
                        \advance\leftmargin 1.5em}%
                \item\relax}
               {\endlist}
\newenvironment{quotation}
               {\list{}{\listparindent 1.5em%
                        \itemindent    \listparindent
                        \rightmargin   \leftmargin
                        \parsep        \z@ \@plus\p@}%
                \item\relax}
               {\endlist}
\newenvironment{quote}
               {\list{}{\rightmargin\leftmargin}%
                \item\relax}
               {\endlist}
%\if@compatibility
%\newenvironment{titlepage}
%    {%
%      \if@twocolumn
%        \@restonecoltrue\onecolumn
%      \else
%        \@restonecolfalse\newpage
%      \fi
%      \thispagestyle{empty}%
%      \setcounter{page}\z@
%    }%
%    {\if@restonecol\twocolumn \else \newpage \fi
%    }
%\else
\newenvironment{titlepage}
    {%
      \if@twocolumn
        \@restonecoltrue\onecolumn
      \else
        \@restonecolfalse\newpage
      \fi
      \thispagestyle{empty}%
      \setcounter{page}\@ne
    }%
    {\if@restonecol\twocolumn \else \newpage \fi
     \if@twoside\else
        \setcounter{page}\@ne
     \fi
    }
%\fi
\newcommand\appendix{\par
  \setcounter{section}{0}%
  \setcounter{subsection}{0}%
  \renewcommand\thesection{\@Alph\c@section}%
\def\theequation{\thesection.\@arabic\c@equation}%
\@addtoreset{equation}{section}%
\renewcommand\@seccntformat[1]{\appendixname~\csname the##1\endcsname}%
\let\org@section\section
\def\section##1{%
\org@section{}%
\edef\x{##1}%
\ifx\x\empty\relax\else
\begin{center}\it
##1\end{center}%
\fi
}}
%&lt;???&gt;

%%%%%%%%%%%%%%%%%   FOOTNOTES
\def\@fnsymbol#1{\ensuremath{\ifcase#1\or *\or **\or \dagger\or \ddagger\or
   \mathsection\or \mathparagraph\or \|\or \dagger\dagger
   \or \ddagger\ddagger \else\@ctrerr\fi}}

\def\footnoterule{\kern-3\p@
%  \hrule width .4\columnwidth
  \hrule width \columnwidth
  \kern 2.6\p@}

\long\def\@makefntext#1{%
\hbox to \hsize{%
\hbox to 18pt{\hss$\m@th^{\@thefnmark}$~}%
\vtop{%\rightskip 18pt%
\hangindent-18pt\hangafter0
\everypar{\hangindent-18pt\hangafter0}
#1}}}

\setlength\arraycolsep{6\p@}
\eqcolsep=\arraycolsep
\setlength\tabcolsep{6\p@}
\setlength\arrayrulewidth{.4\p@}
\setlength\doublerulesep{2\p@}
\setlength\tabbingsep{\labelsep}
\skip\@mpfootins = \skip\footins
\setlength\fboxsep{3\p@}
\setlength\fboxrule{.4\p@}
\renewcommand \theequation {\@arabic\c@equation}
\newcounter{figure}
\renewcommand \thefigure {\@arabic\c@figure}
\def\fps@figure{tbp}
\def\ftype@figure{1}
\def\ext@figure{lof}
%&lt;???&gt;
\def\fnum@figure{\figurename\thinspace\thefigure}
\newenvironment{figure}
               {\@float{figure}}
               {\end@float}
\newenvironment{figure*}
               {\@dblfloat{figure}}
               {\end@dblfloat}
\newcounter{table}
\renewcommand\thetable{\@arabic\c@table}
\def\fps@table{tbp}
\def\ftype@table{2}
\def\ext@table{lot}
\def\fnum@table{\tablename~\thetable}
\newenvironment{table}
               {\@float{table}}
               {\end@float}
\newenvironment{table*}
               {\@dblfloat{table}}
               {\end@dblfloat}
\newlength\abovecaptionskip
\newlength\belowcaptionskip
\setlength\abovecaptionskip{4\p@}
\setlength\belowcaptionskip{0\p@}
\long\def\@makecaption#1#2{%
  \vskip\abovecaptionskip
  \sbox\@tempboxa{\small #1. #2}%
  \ifdim \wd\@tempboxa &gt;\hsize
    {\small #1. #2}
  \else
    \global \@minipagefalse
    \hbox to .993\hsize{\hfil\box\@tempboxa\hfil}%
  \fi
  \vskip\belowcaptionskip}
\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
\DeclareRobustCommand*\cal{\@fontswitch\relax\mathcal}
\DeclareRobustCommand*\mit{\@fontswitch\relax\mathnormal}
\newcommand\@pnumwidth{1.55em}
\newcommand\@tocrmarg{2.55em}
\newcommand\@dotsep{4.5}
\setcounter{tocdepth}{3}
\newcommand\tableofcontents{%
    \section*{\contentsname
        \@mkboth{%
           \MakeUppercase\contentsname}{\MakeUppercase\contentsname}}%
    \@starttoc{toc}%
    }
\newcommand*\l@part[2]{%
  \ifnum \c@tocdepth &gt;-2\relax
    \addpenalty\@secpenalty
    \addvspace{2.25em \@plus\p@}%
    \begingroup
      \parindent \z@ \rightskip \@pnumwidth
      \parfillskip -\@pnumwidth
      {\leavevmode
       \large \bfseries #1\hfil \hbox to \@pnumwidth{\hss #2}}\par
       \nobreak
%       \if@compatibility
%         \global\@nobreaktrue
%         \everypar{\global\@nobreakfalse\everypar{}}%
%      \fi
    \endgroup
  \fi}
\newcommand*\l@section[2]{%
  \ifnum \c@tocdepth &gt;\z@
    \addpenalty\@secpenalty
    \addvspace{1.0em \@plus\p@}%
    \setlength\@tempdima{1.5em}%
    \begingroup
      \parindent \z@ \rightskip \@pnumwidth
      \parfillskip -\@pnumwidth
      \leavevmode \bfseries
      \advance\leftskip\@tempdima
      \hskip -\leftskip
      #1\nobreak\hfil \nobreak\hbox to \@pnumwidth{\hss #2}\par
    \endgroup
  \fi}
\newcommand*\l@subsection{\@dottedtocline{2}{1.5em}{2.3em}}
\newcommand*\l@subsubsection{\@dottedtocline{3}{3.8em}{3.2em}}
%\newcommand*\l@paragraph{\@dottedtocline{4}{7.0em}{4.1em}}
%\newcommand*\l@subparagraph{\@dottedtocline{5}{10em}{5em}}
\newcommand\listoffigures{%
    \section*{\listfigurename
      \@mkboth{\MakeUppercase\listfigurename}%
              {\MakeUppercase\listfigurename}}%
    \@starttoc{lof}%
    }
\newcommand*\l@figure{\@dottedtocline{1}{1.5em}{2.3em}}
\newcommand\listoftables{%
    \section*{\listtablename
      \@mkboth{%
          \MakeUppercase\listtablename}{\MakeUppercase\listtablename}}%
    \@starttoc{lot}%
    }
\let\l@table\l@figure
\newdimen\bibindent
\setlength\bibindent{1.5em}
\newenvironment{thebibliography}[1]
{
	\vskip24pt
	\centerline{\refname}%
	\kern8pt
	\small
  \list{\@biblabel{\@arabic\c@enumiv}}%
	  {\settowidth\labelwidth{\@biblabel{#1}}%
	    \leftmargin\labelwidth
	    \advance\leftmargin\labelsep
	    \@openbib@code
	    \usecounter{enumiv}%
	    \let\p@enumiv\@empty
	    \renewcommand\theenumiv{\@arabic\c@enumiv}%
			\parskip=0pt \parsep=0pt%
	    \small}%
	  \sloppy
	  \clubpenalty4000
	  \@clubpenalty \clubpenalty
	  \widowpenalty4000%
	  \sfcode`\.\@m
	}
  {\def\@noitemerr
    {\@latex@warning{Empty `thebibliography' environment}}%
  \endlist}

\newcommand\newblock{\hskip .11em\@plus.33em\@minus.07em}
\let\@openbib@code\@empty
\newenvironment{theindex}
               {\if@twocolumn
                  \@restonecolfalse
                \else
                  \@restonecoltrue
                \fi
                \columnseprule \z@
                \columnsep 35\p@
                \twocolumn[\section*{\indexname}]%
                \@mkboth{\MakeUppercase\indexname}%
                        {\MakeUppercase\indexname}%
                \thispagestyle{plain}\parindent\z@
                \parskip\z@ \@plus .3\p@\relax
                \let\item\@idxitem}
               {\if@restonecol\onecolumn\else\clearpage\fi}
\newcommand\@idxitem{\par\hangindent 40\p@}
\newcommand\subitem{\@idxitem \hspace*{20\p@}}
\newcommand\subsubitem{\@idxitem \hspace*{30\p@}}
\newcommand\indexspace{\par \vskip 10\p@ \@plus5\p@ \@minus3\p@\relax}
\renewcommand\footnoterule{%
  \kern-3\p@
  \hrule\@width.4\columnwidth
  \kern2.6\p@}
\newcommand\contentsname{Contents}
\newcommand\listfigurename{List of Figures}
\newcommand\listtablename{List of Tables}
\newcommand\refname{REFERENCES}
\newcommand\indexname{Index}
\newcommand\figurename{Fig.}
\newcommand\tablename{Table}
\newcommand\partname{Part}
\newcommand\appendixname{Appendix}
\newcommand\abstractname{Abstract}
\def\MoName#1{\ifcase#1\or
  January\or February\or March\or April\or May\or June\or
  July\or August\or September\or October\or November\or December\fi
}
\def\today{\MoName{\month}%
  \space\number\day, \number\year}
\setlength\columnsep{10\p@}
\setlength\columnseprule{0\p@}
\pagestyle{headings}
\markboth{\appheadcs\thenames\hfil}{\hfil\appheadit\thetitle}
\pagenumbering{arabic}
\if@twoside
\else
  \raggedbottom
\fi
\if@twocolumn
  \twocolumn
  \sloppy
  \flushbottom
\else
  \onecolumn
\fi


%%%%%%%%%%%%%%%%%%%%    USEFUL DEFINITIONS

\def\comsp{\@ifnextchar ,\relax{\@ifnextchar\ \relax{\ \relax}}}
\def\ie{{\it i.e.}\comsp}
\def\eg{{\it e.g.}\comsp}
\def\cf{{\it cf.}\comsp}
\def\etal{{\it et al.}\comsp}

%%%  for math mode:

\def\half{{\textstyle{1\over 2}}}
\def\Half{{1\over 2}}
\DeclareMathSymbol{\e}{\mathalpha}{operators}{`e}
\def\Tr{\mathop{\operator@font Tr}\nolimits}


\def\seteqprefix#1{\renewcommand{\p@equation}{#1}}
\def\reseteqprefix#1{\setcounter{equation}{0}\renewcommand{\p@equation}{#1}}


\clubpenalty\@highpenalty
\widowpenalty\@highpenalty

\RequirePackage{latexsym}
%\endinput


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\def\eqalabel#1{\@bsphack
  \protected@write\@auxout{}%
         {\string\newlabel{#1}{{\p@equation\arabic{equation}}{\thepage}}}%
\@esphack}

\def\@eqlettcr{%
\if@eqnsw\@eqncr\stepcounter{eqlett}\addtocounter{equation}{-1}\else%
\@eqncr\fi%
}

\def\@@eqlettcr{\let\reserved@a\relax
    \ifcase\@eqcnt \def\reserved@a{&amp; &amp; &amp;}\or \def\reserved@a{&amp; &amp;}%
     \or \def\reserved@a{&amp;}\else
       \let\reserved@a\@empty
       \@latex@error{Too many columns in eqlettarray environment}\@ehc\fi
     \reserved@a \if@eqnsw\@eqnnum\stepcounter{eqlett}\fi
     \global\@eqnswtrue\global\@eqcnt\z@\cr}

\newenvironment{eqlettarray}{%
	\PackageWarning{appolb}{^^JThe environment "eqlettarray" is now obsolete.^^JUse new environment "eqletters" instead}
	\typeout{-----  "eqletters" environment example  -----^^J\string\begin{eqletters}^^J\string\label{WholeSet}}
	\typeout{\string\begin{eqnarray}^^J\string\label{eqnLabel}^^J...}
	\typeout{\string\end{eqnarray}^^J\string\end{eqletters}}
	\typeout{---------------------------------------------^^J}
  \setcounter{eqlett}{1}
	\def\theequation{\@arabic\c@equation\alph{eqlett}}%
	\def\@@eqncr{\let\reserved@a\relax
    \ifcase\@eqcnt \def\reserved@a{&amp; &amp; &amp;}\or \def\reserved@a{&amp; &amp;}%
     \or \def\reserved@a{&amp;}\else
       \let\reserved@a\@empty
       \@latex@error{Too many columns in eqnarray environment}\@ehc\fi
     \reserved@a \if@eqnsw\@eqnnum\stepcounter{eqlett}\fi
     \global\@eqnswtrue\global\@eqcnt\z@\cr}
     \eqnarray
}
{%
\endeqnarray
\ifnum\value{eqlett} &gt;1\stepcounter{equation}\fi
}

\endinput
%% End of file `appolb.cls'.
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