%0 Journal Article %A J. Kordylewski %A M. Kuczma %T On the functional equation $F(x,φ(x),φ [f_1(x)],...,φ [f_n(x)])=0$ %J Annales Polonici Mathematici %D 1960 %P 55-60 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-8-1-55-60/ %R 10.4064/ap-8-1-55-60 %G en %F 10_4064_ap_8_1_55_60