%0 Journal Article %A Ramon Badora %T On a joint generalization of Cauchy's and d'Alembert's functional equations. %J Aequationes mathematicae %D 1992 %P 72-89 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137444/ %F AM2_1992__43_1_137444