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@article{DAN_1961_138_1_a25, author = {V. A. Shcherbina}, title = {Causality condition and nonlocality of the {Lagrangian} in quantum electrodynamics}, journal = {Doklady Akademii Nauk}, pages = {93--95}, publisher = {mathdoc}, volume = {138}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a25/} }
V. A. Shcherbina. Causality condition and nonlocality of the Lagrangian in quantum electrodynamics. Doklady Akademii Nauk, Tome 138 (1961) no. 1, pp. 93-95. http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a25/