%0 Journal Article
%A V. A. Yankov
%T On the realizable formulae of propositional logic
%J Doklady Akademii Nauk
%D 1963
%P 1035-1037
%V 151
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_151_5_a10/
%G ru
%F DAN_1963_151_5_a10