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@article{DAN_1963_152_3_a17, author = {R. F. Bilyalov}, title = {Conformal transformation groups in gravitational fields}, journal = {Doklady Akademii Nauk}, pages = {570--572}, publisher = {mathdoc}, volume = {152}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a17/} }
R. F. Bilyalov. Conformal transformation groups in gravitational fields. Doklady Akademii Nauk, Tome 152 (1963) no. 3, pp. 570-572. http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a17/