%0 Journal Article %A O. M. Kasim-zade %T Implicit expressibility in two-valued logic and %J Doklady Akademii Nauk %D 1996 %P 299-301 %V 348 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_348_3_a1/ %G ru %F DAN_1996_348_3_a1