Two-Point One-Loop Fermionic Amplitudes in Constant Homogeneous Magnetic Field Alexandra Dobrynina, Ilya Karabanov, Alexander Parkhomenko and Lubov Vassilevskaya EPJ Web Conf., 201 (2019) 09003 Published online: 04 February 2019 DOI: 10.1051/epjconf/201920109003