%0 Journal Article
%A D. Lau
%A B. Schröder
%T On the number of closed subsets of linear functions in the 6-valued logic
%J Beiträge zur Algebra und Geometrie
%D 1991
%P 19-32
%V 31
%I mathdoc
%U http://geodesic.mathdoc.fr/item/BAG_1991__31_138470/
%F BAG_1991__31_138470