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@article{DAN_1977_234_2_a3, author = {N. A. Gusevskii}, title = {On a problem in the theory of {Kleinian} groups}, journal = {Doklady Akademii Nauk}, pages = {277--279}, publisher = {mathdoc}, volume = {234}, number = {2}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_2_a3/} }
N. A. Gusevskii. On a problem in the theory of Kleinian groups. Doklady Akademii Nauk, Tome 234 (1977) no. 2, pp. 277-279. http://geodesic.mathdoc.fr/item/DAN_1977_234_2_a3/