%0 Journal Article
%A I. S. Negru
%T On algebraic properties of the totality of propositional logics
%J Doklady Akademii Nauk
%D 1974
%P 1276-1279
%V 218
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_218_6_a3/
%G ru
%F DAN_1974_218_6_a3