TY - JOUR AU - V. M. Levchuk TI - Some locally nilpotent rings and their adjoined groups JO - Matematičeskie zametki PY - 1987 SP - 631 EP - 641 VL - 42 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_5_a1/ LA - ru ID - MZM_1987_42_5_a1 ER -