%0 Journal Article %A Todd Cochrane %A Zhiyong Zheng %T Exponential sums with rational function entries %J Acta Arithmetica %D 2000 %P 67-95 %V 95 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-95-1-67-95/ %R 10.4064/aa-95-1-67-95 %G en %F 10_4064_aa_95_1_67_95