%0 Journal Article
%A Bican, Ladislav
%T Pure closures
%J Czechoslovak Mathematical Journal
%D 1972
%P 78-82
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101078/
%R 10.21136/CMJ.1972.101078
%G en
%F 10_21136_CMJ_1972_101078