Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1980_19_1_a6, author = {A. K. Rumyantsev}, title = {Quasi-identities in a free group}, journal = {Algebra i logika}, pages = {103--117}, publisher = {mathdoc}, volume = {19}, number = {1}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1980_19_1_a6/} }
A. K. Rumyantsev. Quasi-identities in a free group. Algebra i logika, Tome 19 (1980) no. 1, pp. 103-117. http://geodesic.mathdoc.fr/item/AL_1980_19_1_a6/