%0 Journal Article %A J. Kordylewski %A M. Kuczma %T On the functional equation F(x,φ(x),φ[f(x)])=0 %J Annales Polonici Mathematici %D 1959 %P 21-32 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-7-1-21-32/ %R 10.4064/ap-7-1-21-32 %G en %F 10_4064_ap_7_1_21_32