%0 Journal Article %A Chidambaraswamy, J. %T On the functional equation $F(mn)F((m,n))=F(m)F(n)f((m,n))$ %J Portugaliae mathematica %D 1967 %P 101-107 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1967__26_1_115007/ %G en %F PORMA_1967__26_1_115007