%0 Journal Article %A T.M.K. Davison %T A functional equation for quadratic forms (Short Communication). %J Aequationes mathematicae %D 1979 %P 305-306 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1979__19_136834/ %F AM2_1979__19_136834