%0 Journal Article %A Horadam, E.M. %T Normal order for divisor functions of generalized integers %J Portugaliae mathematica %D 1968 %P 201-207 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1968__27_4_115074/ %G en %F PORMA_1968__27_4_115074