TY - JOUR AU - V. V. Gorlov TI - Closed classes of $k$-valued logic, all of whose congruences are trivial JO - Matematičeskie zametki PY - 1977 SP - 499 EP - 509 VL - 22 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a4/ LA - ru ID - MZM_1977_22_4_a4 ER -