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@article{IVM_1969_9_a0, author = {Ya. G. Berkovich}, title = {A~theorem on the solvable subgroups of a~finite unsolvable group}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--10}, publisher = {mathdoc}, number = {9}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_9_a0/} }
Ya. G. Berkovich. A~theorem on the solvable subgroups of a~finite unsolvable group. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1969), pp. 3-10. http://geodesic.mathdoc.fr/item/IVM_1969_9_a0/