@article{article16afd760,
title   = {Infrared divergences, mass shell singularities and gauge dependence of the dynamical fermion mass},
author = {Das, Ashok K. and Schubert, C. and Frenkel, Josif},
year = {2013},
doi = {10.1016/j.physletb.2013.02.036},
journal   = {PHYSICS LETTERS B}
}