%0 Journal Article %A Štefan Porubský %T Structure of the group of quasi multiplicative arithmetical functions %J Annales mathematicae et informaticae %D 2003 %P 133-145 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMI_2003_30_a13/ %G en %F AMI_2003_30_a13