%0 Journal Article %A T. Maćkowiak %T The fixed point property for set-valued mappings %J Colloquium Mathematicum %D 1981 %P 227-243 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-45-2-227-243/ %R 10.4064/cm-45-2-227-243 %G en %F 10_4064_cm_45_2_227_243