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@article{AL_1977_16_1_a3, author = {V. S. Monakhov}, title = {The product of two groups with nilpotent subgroups of index not greater than ~2}, journal = {Algebra i logika}, pages = {46--62}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1977_16_1_a3/} }
V. S. Monakhov. The product of two groups with nilpotent subgroups of index not greater than ~2. Algebra i logika, Tome 16 (1977) no. 1, pp. 46-62. http://geodesic.mathdoc.fr/item/AL_1977_16_1_a3/