TY - JOUR AU - V. V. Lodeishchikova TI - A Levi class generated by a quasivariety of nilpotent groups JO - Algebra i logika PY - 2019 SP - 486 EP - 499 VL - 58 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2019_58_4_a4/ LA - ru ID - AL_2019_58_4_a4 ER -