%0 Journal Article %A M. Kuczma %T On continuous solutions of a functional equation %J Annales Polonici Mathematici %D 1960 %P 209-214 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-8-2-209-214/ %R 10.4064/ap-8-2-209-214 %G en %F 10_4064_ap_8_2_209_214