Voir la notice de l'article provenant de la source Numdam
New bounds are given for the exponential sum
On donne une majoration nouvelle de la somme trigonométrique
@article{JTNB_2003__15_3_727_0, author = {Harman, Glyn}, title = {Trigonometric sums over primes {III}}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {727--740}, publisher = {Universit\'e Bordeaux I}, volume = {15}, number = {3}, year = {2003}, mrnumber = {2142233}, zbl = {1165.11332}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JTNB_2003__15_3_727_0/} }
Harman, Glyn. Trigonometric sums over primes III. Journal de théorie des nombres de Bordeaux, Tome 15 (2003) no. 3, pp. 727-740. http://geodesic.mathdoc.fr/item/JTNB_2003__15_3_727_0/