Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1986_40_5_a2, author = {A. N. Fedorov}, title = {Quasi-identities of a free 2-nilpotent group}, journal = {Matemati\v{c}eskie zametki}, pages = {590--597}, publisher = {mathdoc}, volume = {40}, number = {5}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1986_40_5_a2/} }
A. N. Fedorov. Quasi-identities of a free 2-nilpotent group. Matematičeskie zametki, Tome 40 (1986) no. 5, pp. 590-597. http://geodesic.mathdoc.fr/item/MZM_1986_40_5_a2/