TY - JOUR AU - V. V. Gorlov TI - A~sufficient condition for closed classes of $k$-valued logic to have only trivial congruences JO - Sbornik. Mathematics PY - 1981 SP - 507 EP - 532 VL - 38 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1981_38_4_a4/ LA - en ID - SM_1981_38_4_a4 ER -