%0 Journal Article %A G. J. Michaelides %T Mean with respect to a map %J Colloquium Mathematicum %D 1981 %P 47-51 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-44-1-47-51/ %R 10.4064/cm-44-1-47-51 %G en %F 10_4064_cm_44_1_47_51