%0 Journal Article %A D. Heath-Brown %T The divisor function $d_3(n)$ in arithmetic progressions %J Acta Arithmetica %D 1986 %P 29-56 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-47-1-29-56/ %R 10.4064/aa-47-1-29-56 %G en %F 10_4064_aa_47_1_29_56