%0 Journal Article %A V. V. Lodeishchikova %A S. A. Shakhova %T Levi classes of quasivarieties of nilpotent groups of exponent $p^s$ %J Algebra i logika %D 2022 %P 77-92 %V 61 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2022_61_1_a3/ %G ru %F AL_2022_61_1_a3