%0 Journal Article %A M. Kucharzewski %A M. Kuczma %T On a system of functional equations occurring in the theory of geometric objects %J Annales Polonici Mathematici %D 1963 %P 59-67 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-14-1-59-67/ %R 10.4064/ap-14-1-59-67 %G en %F 10_4064_ap_14_1_59_67