%0 Journal Article %A Hong-Quan Liu %T On the estimates of double exponential sums %J Acta Arithmetica %D 2007 %P 203-247 %V 129 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa129-3-1/ %R 10.4064/aa129-3-1 %G en %F 10_4064_aa129_3_1