%0 Journal Article %A Halina Swiatak %A Bohdan Lawruk %T On Functions Satisfying a Generalized Mean Value Equation. %J Aequationes mathematicae %D 1974 %P 1-10 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1974__11_136430/ %F AM2_1974__11_136430