TY - JOUR AU - S. A. Shakhova TI - Levi classes of quasivarieties of nilpotent groups of class at most two JO - Algebra i logika PY - 2023 SP - 742 EP - 761 VL - 62 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2023_62_6_a2/ LA - ru ID - AL_2023_62_6_a2 ER -