%0 Journal Article %A H. Iwaniec %A W. Duke %A J.B. Firedlander %T A quadratic divisor problem. %J Inventiones mathematicae %D 1994 %P 209-218 %V 115 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1994__115_1_144167/ %F IM_1994__115_1_144167