TY - JOUR AU - S. S. Marchenkov TI - On the existence of finite bases in closed classes of JO - Algebra i logika PY - 1984 SP - 88 EP - 99 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1984_23_1_a4/ LA - ru ID - AL_1984_23_1_a4 ER -