%0 Journal Article
%A S. S. Marchenkov
%T Extensions of the positive closure operator by using logical connectives
%J Diskretnyj analiz i issledovanie operacij
%D 2018
%P 46-58
%V 25
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_2018_25_4_a3/
%G ru
%F DA_2018_25_4_a3