%0 Journal Article %A Snellman, Jan %T The ring of arithmetical functions with unitary convolution: Divisorial and topological properties %J Archivum mathematicum %D 2004 %P 161-179 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2004__40_2_a3/ %G en %F ARM_2004__40_2_a3