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@article{DAN_1974_218_3_a10, author = {O. S. Ivanitskaya}, title = {Invariants of a local {Lorentz} subgroup in the {Einstein} theory of gravitation}, journal = {Doklady Akademii Nauk}, pages = {540--542}, publisher = {mathdoc}, volume = {218}, number = {3}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a10/} }
O. S. Ivanitskaya. Invariants of a local Lorentz subgroup in the Einstein theory of gravitation. Doklady Akademii Nauk, Tome 218 (1974) no. 3, pp. 540-542. http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a10/