%0 Journal Article %A Pultr, Aleš %T On the homology theory of discrete spaces %J Commentationes Mathematicae Universitatis Carolinae %D 1962 %P 23-43 %V 03 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1962__3_3_a2/ %G en %F CMUC_1962__3_3_a2