%0 Journal Article
%A Nguyen Van Hoa
%T On the structure of self-dual closed classes of the three-valued logic~$P_3$
%J Diskretnaya Matematika
%D 1992
%P 82-95
%V 4
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1992_4_4_a8/
%G ru
%F DM_1992_4_4_a8