%0 Journal Article
%A V. V. Vishin
%T Identity transformations in a four-valued logic
%J Doklady Akademii Nauk
%D 1963
%P 719-721
%V 150
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_150_4_a2/
%G ru
%F DAN_1963_150_4_a2