%0 Journal Article
%A Herrlich, Horst
%T Realizations of topologies and closure operators by set systems and by neighbourhoods
%J Archivum mathematicum
%D 1989
%P 83-87
%V 25
%N 1-2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1989__25_1-2_a10/
%G en
%F ARM_1989__25_1-2_a10