%0 Journal Article %A M. Kwapisz %A J. Turo %T On the existence and uniqueness of integrable solutions of functional equations in Banach space. %J Aequationes mathematicae %D 1979 %P 53-65 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1979__19_136808/ %F AM2_1979__19_136808