%0 Journal Article %A B. M. Shirokov %A L. A. Gromakovskaya %T Distribution of values of the sum of unitary divisors in residue classes %J Problemy analiza %D 2016 %P 31-44 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2016_5_1_a2/ %G en %F PA_2016_5_1_a2