%0 Journal Article %A Marek Kuczma %T Special solutions of a functional equation %J Annales Polonici Mathematici %D 1972 %P 29-32 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-27-1-29-32/ %R 10.4064/ap-27-1-29-32 %G en %F 10_4064_ap_27_1_29_32