%0 Journal Article %A Alaca, Ayşe %A Alaca, Şaban %A Williams, Kenneth S. %T Evaluation of the sums $\sum\limits_{\substack{m=1 \\ m\equiv a\pmod 4}}^{n-1} \sigma (m) \sigma (n-m) $ %J Czechoslovak Mathematical Journal %D 2009 %P 847-859 %V 59 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a20/ %G en %F CMJ_2009__59_3_a20