%0 Journal Article %A Marian Kwapisz %T On the existence and uniqueness of solutions of a certain integral-functional equation %J Annales Polonici Mathematici %D 1975 %P 23-41 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-31-1-23-41/ %R 10.4064/ap-31-1-23-41 %G en %F 10_4064_ap_31_1_23_41