%0 Journal Article %A V. B. Alekseev %A L. L. Voronenko %T On some closed classes in partial two-valued logic %J Diskretnaya Matematika %D 1994 %P 58-79 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1994_6_4_a4/ %G ru %F DM_1994_6_4_a4