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@article{IVM_1960_5_a20, author = {A. L. Teptin}, title = {On conditions of solvability of the {\v{C}aplygin} problem for difference equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {180--185}, publisher = {mathdoc}, number = {5}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1960_5_a20/} }
A. L. Teptin. On conditions of solvability of the Čaplygin problem for difference equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1960), pp. 180-185. http://geodesic.mathdoc.fr/item/IVM_1960_5_a20/