%0 Journal Article %A D.B. LAHIRI %T Hypo-Multiplicative Number - Theoretic Functions %J Aequationes mathematicae %D 1973 %P 184-192 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1973__9_136345/ %F AM2_1973__9_136345