%0 Journal Article %A Imre Kátai %T Distribution of arithmetical functions on some subsets of integers %J Algebra and discrete mathematics %D 2007 %P 87-98 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2007_3_a9/ %G en %F ADM_2007_3_a9