TY - JOUR AU - I. V. L'vov TI - Varieties of associative rings.~II JO - Algebra i logika PY - 1973 SP - 667 EP - 688 VL - 12 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1973_12_6_a3/ LA - ru ID - AL_1973_12_6_a3 ER -