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@article{DAN_1976_230_3_a18, author = {W. I. Fushchych}, title = {On the complementary invariance of {Klein--Gordon--Fock} equation}, journal = {Doklady Akademii Nauk}, pages = {570--572}, publisher = {mathdoc}, volume = {230}, number = {3}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_3_a18/} }
W. I. Fushchych. On the complementary invariance of Klein--Gordon--Fock equation. Doklady Akademii Nauk, Tome 230 (1976) no. 3, pp. 570-572. http://geodesic.mathdoc.fr/item/DAN_1976_230_3_a18/