@article{GDZPPN002212331,
title = {Mean value estimates for exponential sums and L-functions: a spectral theoretic approach.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {468},
year = {1995},
pages = {61-88},
zbl = {0809.11043},
url = {http://dml.mathdoc.fr/item/GDZPPN002212331}
}
Motohashi, Yoichi; Jutila, Matti. Mean value estimates for exponential sums and L-functions: a spectral theoretic approach.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 61-88. http://gdmltest.u-ga.fr/item/GDZPPN002212331/