%0 Journal Article %A Karl-Heinz Indlekofer %T A Mean-Value Theorem for Multiplicative Functions. %J Mathematische Zeitschrift %D 1980 %P 255-272 %V 172 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1980__172_172962/ %F MZ_1980__172_172962