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@article{MZM_1969_5_6_a1, author = {G. A. Karasev}, title = {On the theory of $n$-nilpotent groups}, journal = {Matemati\v{c}eskie zametki}, pages = {653--664}, publisher = {mathdoc}, volume = {5}, number = {6}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_6_a1/} }
G. A. Karasev. On the theory of $n$-nilpotent groups. Matematičeskie zametki, Tome 5 (1969) no. 6, pp. 653-664. http://geodesic.mathdoc.fr/item/MZM_1969_5_6_a1/