TY - JOUR AU - S. V. Ivanov TI - Strictly verbal products of groups and A.\,I.~Mal'tsev's problem on operations over groups JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1992 SP - 243 EP - 277 VL - 54 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1992_54_a7/ LA - ru ID - MMO_1992_54_a7 ER -