%0 Journal Article %A Tim Trudgian %T The Sum of the Unitary Divisor Function %J Publications de l'Institut Mathématique %D 2015 %P 175 %V _N_S_97 %N 111 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2298/PIM140617001T/ %R 10.2298/PIM140617001T %G en %F 10_2298_PIM140617001T