%0 Journal Article %A Lowen-Colebunders, Eva %A Szabó, Zoltán Gábor %T On the simplicity of some categories of closure spaces %J Commentationes Mathematicae Universitatis Carolinae %D 1990 %P 95-98 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1990__31_1_a11/ %G en %F CMUC_1990__31_1_a11