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@article{AL_1970_9_6_a0, author = {Yu. A. Belov}, title = {On the question of the lattice of nilpotent varieties of groups of}, journal = {Algebra i logika}, pages = {623--628}, publisher = {mathdoc}, volume = {9}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1970_9_6_a0/} }
Yu. A. Belov. On the question of the lattice of nilpotent varieties of groups of. Algebra i logika, Tome 9 (1970) no. 6, pp. 623-628. http://geodesic.mathdoc.fr/item/AL_1970_9_6_a0/