%0 Journal Article
%A S. S. Marchenkov
%T The closure operator in many-valued logic based on functional equations
%J Diskretnyj analiz i issledovanie operacij
%D 2010
%P 18-31
%V 17
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_2010_17_4_a1/
%G ru
%F DA_2010_17_4_a1