TY - JOUR AU - A. I. Nekritsukhin TI - Approximation of free groups with respect to conjugacy JO - Matematičeskie zametki PY - 1981 SP - 381 EP - 385 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_29_3_a5/ LA - ru ID - MZM_1981_29_3_a5 ER -