%0 Journal Article %A Z. DARÓCZY %T On the General Solution of the Functional Equation f(x + y - xy) + + f (xy)= f(x) + f (y) (Short Communication) %J Aequationes mathematicae %D 1971 %P 312-312 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1971__6_136206/ %F AM2_1971__6_136206