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@article{IVM_1986_8_a6, author = {B. L. Laptev and A. Ya. Sultanov}, title = {A problem of {I.\,P.~Egorov} in the theory of motions}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {34--39}, publisher = {mathdoc}, number = {8}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1986_8_a6/} }
B. L. Laptev; A. Ya. Sultanov. A problem of I.\,P.~Egorov in the theory of motions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1986), pp. 34-39. http://geodesic.mathdoc.fr/item/IVM_1986_8_a6/