%0 Journal Article %A Hong Liu %T On a fundamental result in van der Corput's method of estimating exponential sums %J Acta Arithmetica %D 1999 %P 357-370 %V 90 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-90-4-357-370/ %R 10.4064/aa-90-4-357-370 %G en %F 10_4064_aa_90_4_357_370