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@article{IVM_1960_6_a5, author = {A. L. Verner}, title = {On infinite convex surfaces in {a~Lobachevsky} space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {50--61}, publisher = {mathdoc}, number = {6}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1960_6_a5/} }
A. L. Verner. On infinite convex surfaces in a~Lobachevsky space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1960), pp. 50-61. http://geodesic.mathdoc.fr/item/IVM_1960_6_a5/