%0 Journal Article %A T.M.K. DAVISON %T On the Functional Equation f(m + n-mn) +f(mn) =f(m) +f(n) (Short Communication) %J Aequationes mathematicae %D 1973 %P 310-311 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1973__9_136374/ %F AM2_1973__9_136374