%0 Journal Article
%A Nguyen Van Hoa
%T Families of closed classes of $k$-valued logic that are preserved by all automorphisms
%J Diskretnaya Matematika
%D 1993
%P 87-108
%V 5
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1993_5_4_a6/
%G ru
%F DM_1993_5_4_a6