====== LPN11-41 Two-loop QED Operator Matrix Elements with Massive External         Fermion Lines ======
^  LPN11-41 Two-loop QED Operator Matrix Elements with Massive External         Fermion Lines  ^
|**J. Bluemlein, A. De Freitas, W. van Neerven**   | 
|** Nucl. Phys.  B855 508 2012  **    |
|[[http://arxiv.org/abs/1107.4638|arXiv]]  |
| |