%0 Journal Article %A Ralph Demarr %T Common fixed points for isotone mappings %J Colloquium Mathematicum %D 1964 %P 45-48 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-13-1-45-48/ %R 10.4064/cm-13-1-45-48 %G en %F 10_4064_cm_13_1_45_48