@article{GDZPPN002093693,
title = {Exponential Sums with Multiplicative Coefficients.},
journal = {Inventiones mathematicae},
volume = {41},
year = {1977},
pages = {69-82},
zbl = {0362.10036},
url = {http://dml.mathdoc.fr/item/GDZPPN002093693}
}
Montgomery, H.L.; Vaughan, R.C. Exponential Sums with Multiplicative Coefficients.. Inventiones mathematicae, Tome 41 (1977) pp. 69-82. http://gdmltest.u-ga.fr/item/GDZPPN002093693/