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@article{IVM_1971_2_a5, author = {M. M. Gol'denberg and N. F. Sesekin}, title = {Groups with invariant nonisolated subgroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {53--57}, publisher = {mathdoc}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_2_a5/} }
M. M. Gol'denberg; N. F. Sesekin. Groups with invariant nonisolated subgroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1971), pp. 53-57. http://geodesic.mathdoc.fr/item/IVM_1971_2_a5/