%0 Journal Article %A F. A. Kabakov %T The intuitionistic deducibility of certain realizable formulae of propositional logic %J Doklady Akademii Nauk %D 1970 %P 269-271 %V 192 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_192_2_a4/ %G ru %F DAN_1970_192_2_a4