TY - JOUR AU - M. G. Peretyat'kin TI - Semantic universality of theories over a superlist JO - Algebra i logika PY - 1992 SP - 47 EP - 73 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1992_31_1_a3/ LA - ru ID - AL_1992_31_1_a3 ER -