@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/