%0 Journal Article %A A. Gulgowska %A L. Gulgowski %T On problems of B. Choczewski and M. Kuczma concerning an integral equation %J Colloquium Mathematicum %D 1977 %P 91-94 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-38-1-91-94/ %R 10.4064/cm-38-1-91-94 %G en %F 10_4064_cm_38_1_91_94