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@article{IM2_1967_1_5_a8, author = {A. L. Shmel'kin}, title = {On free polynilpotent groups}, journal = {Izvestiya. Mathematics }, pages = {1065--1080}, publisher = {mathdoc}, volume = {1}, number = {5}, year = {1967}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a8/} }
A. L. Shmel'kin. On free polynilpotent groups. Izvestiya. Mathematics , Tome 1 (1967) no. 5, pp. 1065-1080. http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a8/