%0 Journal Article
%A Morgado, José
%T Some results on closure operators of partially ordered sets
%J Portugaliae mathematica
%D 1960
%P 101-139
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1960__19_2_114835/
%G en
%F PORMA_1960__19_2_114835