TY - JOUR AU - A. A. Vinogradov TI - Certain properties of quasi-varieties of nilpotent groups JO - Algebra i logika PY - 1966 SP - 5 EP - 14 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1966_5_4_a0/ LA - ru ID - AL_1966_5_4_a0 ER -