%0 Journal Article %A V. V. Gorlov %T Closed classes of $k$-valued logic, all of whose congruences are trivial %J Matematičeskie zametki %D 1977 %P 499-509 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a4/ %G ru %F MZM_1977_22_4_a4