@article{GDZPPN002214857, title = {On exponential sums over smooth numbers.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, volume = {485}, year = {1997}, pages = {79-140}, zbl = {0880.11060}, url = {http://dml.mathdoc.fr/item/GDZPPN002214857} }
Wooley, Trevor D. On exponential sums over smooth numbers.. Journal für die reine und angewandte Mathematik, Tome 485 (1997) pp. 79-140. http://gdmltest.u-ga.fr/item/GDZPPN002214857/