%0 Journal Article %A Pultr, Aleš %T An analogon of the fixed-point theorem and its application for graphs %J Commentationes Mathematicae Universitatis Carolinae %D 1963 %P 121-131 %V 04 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a7/ %G en %F CMUC_1963__4_3_a7