Prykarpatsky, A.K. and Bogolubov, Jr., N.N. 2019. On the Classical Maxwell–Lorentz Electrodynamics, the Electron Inertia Problem, and the Feynman Proper Time Paradigm. Ukrainian Journal of Physics. 61, 3 (Jan. 2019), 187. DOI:https://doi.org/10.15407/ujpe61.03.0187.