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@article{DAN_1967_173_4_a6, author = {V. D. Izmailov}, title = {Invariant equipment of a surface in a space with an affine connection}, journal = {Doklady Akademii Nauk}, pages = {755--757}, publisher = {mathdoc}, volume = {173}, number = {4}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_4_a6/} }
V. D. Izmailov. Invariant equipment of a surface in a space with an affine connection. Doklady Akademii Nauk, Tome 173 (1967) no. 4, pp. 755-757. http://geodesic.mathdoc.fr/item/DAN_1967_173_4_a6/