%0 Journal Article
%A F. L. Varpakhovskii
%T The non-realizability of disjunction of non-realizable formulae of the propositional calculus
%J Doklady Akademii Nauk
%D 1965
%P 1257-1258
%V 161
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_161_6_a1/
%G ru
%F DAN_1965_161_6_a1