TY - JOUR AU - V. V. Lodeishchikova AU - S. A. Shakhova TI - Levi classes of quasivarieties of nilpotent groups of exponent $p^s$ JO - Algebra i logika PY - 2022 SP - 77 EP - 92 VL - 61 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2022_61_1_a3/ LA - ru ID - AL_2022_61_1_a3 ER -