TY - JOUR AU - V. A. Roman'kov AU - N. G. Khisamiev TI - Verbally and existentially closed subgroups of free nilpotent groups JO - Algebra i logika PY - 2013 SP - 502 EP - 525 VL - 52 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2013_52_4_a4/ LA - ru ID - AL_2013_52_4_a4 ER -