1.
Kulish YV. Elimination of Singulariries in Causal Green Functions for Generalized Klein-Gordon and Dirac Equations on Light Cone. East Eur. J. Phys. [Internet]. 2016Dec.14 [cited 2024May1];3(3):73-. Available from: https://periodicals.karazin.ua/eejp/article/view/7421