%0 Journal Article %A A. Cannizzo %T Extension theorems for integral representations of solutions of a functional eqaution. %J Elemente der Mathematik %D 1990 %P 9-14 %V 45 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1990__45_6_141473/ %F ELMA_1990__45_6_141473