%0 Journal Article
%A S. S. Marchenkov
%T Closure operators with predicate branching
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2003
%P 37-39
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2003_6_a6/
%G ru
%F VMUMM_2003_6_a6