====== TTP17-026 Analytic results from 'The $n_f^2$ contributions to fermionic four-loop form factors====== ^ TTP17-026 Analytic results from 'The $n_f^2$ contributions to fermionic four-loop form factors ^ |**Roman N. Lee, Alexander V. Smirnov, Vladimir A. Smirnov and Matthias Steinhauser** | |**Phys.Rev. D96 (2017) no.1, 014008**| | {{preprints:2017:ttp17-026.pdf|PDF}} [[http://arxiv.org/abs/1705.06862|arXiv]] {{ :progdata:2017:ttp17-026/anc_nl2.m.tar.gz|Data}}| | |