TY - JOUR AU - E. I. Khukhro TI - Nilpotency in varieties of groups with operators JO - Matematičeskie zametki PY - 1991 SP - 142 EP - 145 VL - 50 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a17/ LA - ru ID - MZM_1991_50_2_a17 ER -