TY - JOUR AU - O. V. Bogopolskii TI - Almost free groups and the Hall property JO - Algebra i logika PY - 1994 SP - 3 EP - 24 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1994_33_1_a0/ LA - ru ID - AL_1994_33_1_a0 ER -