%0 Journal Article %A Merca, Mircea %T Inequalities and identities involving sums of integer functions %J Journal of integer sequences %D 2011 %V 14 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/JIS_2011__14_9_a5/ %G en %F JIS_2011__14_9_a5