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@article{IVM_1978_8_a4, author = {O. V. Belegradek}, title = {Unstable group theories}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {41--44}, publisher = {mathdoc}, number = {8}, year = {1978}, language = {ru}, url = {https://geodesic-test.mathdoc.fr/item/IVM_1978_8_a4/} }
O. V. Belegradek. Unstable group theories. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1978), pp. 41-44. https://geodesic-test.mathdoc.fr/item/IVM_1978_8_a4/