@article{1029004462, author = {Friedlander, J. and Iwaniec, H.}, title = {A mean-value theorem for character sums.}, journal = {Michigan Math. J.}, volume = {39}, number = {1}, year = {1992}, pages = { 153-159}, language = {en}, url = {http://dml.mathdoc.fr/item/1029004462} }
Friedlander, J.; Iwaniec, H. A mean-value theorem for character sums.. Michigan Math. J., Tome 39 (1992) no. 1, pp. 153-159. http://gdmltest.u-ga.fr/item/1029004462/