TY - JOUR AU - A. I. Budkin TI - Quasi-identities and direct wreath products of groups JO - Algebra i logika PY - 1984 SP - 367 EP - 382 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1984_23_4_a0/ LA - ru ID - AL_1984_23_4_a0 ER -