Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1971_9_1_a5, author = {V. M. Kotlov}, title = {Class close to the class of $n$-abelian groups}, journal = {Matemati\v{c}eskie zametki}, pages = {41--51}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1971_9_1_a5/} }
V. M. Kotlov. Class close to the class of $n$-abelian groups. Matematičeskie zametki, Tome 9 (1971) no. 1, pp. 41-51. http://geodesic.mathdoc.fr/item/MZM_1971_9_1_a5/