@article{GDZPPN002111543, title = {A quadratic divisor problem.}, journal = {Inventiones mathematicae}, volume = {115}, year = {1994}, pages = {209-218}, zbl = {0791.11049}, url = {http://dml.mathdoc.fr/item/GDZPPN002111543} }
Iwaniec, H.; Duke, W.; Firedlander, J.B. A quadratic divisor problem.. Inventiones mathematicae, Tome 115 (1994) pp. 209-218. http://gdmltest.u-ga.fr/item/GDZPPN002111543/