Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1981_20_6_a2, author = {D. I. Zaitsev}, title = {Nilpotent approximations of metabelian groups}, journal = {Algebra i logika}, pages = {638--653}, publisher = {mathdoc}, volume = {20}, number = {6}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1981_20_6_a2/} }
D. I. Zaitsev. Nilpotent approximations of metabelian groups. Algebra i logika, Tome 20 (1981) no. 6, pp. 638-653. http://geodesic.mathdoc.fr/item/AL_1981_20_6_a2/