%0 Journal Article %A V. V. Lodeishchikova %T A Levi class generated by a quasivariety of nilpotent groups %J Algebra i logika %D 2019 %P 486-499 %V 58 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2019_58_4_a4/ %G ru %F AL_2019_58_4_a4