%0 Journal Article %A A. A. Vinogradov %T Certain properties of quasi-varieties of nilpotent groups %J Algebra i logika %D 1966 %P 5-14 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1966_5_4_a0/ %G ru %F AL_1966_5_4_a0