中国科学院数学与系统科学研究院期刊网
AMS
Upper Bounds on Character Sums with Rational Function Entries
Todd Cochrane, Chun Lei Liu, Zhi Yong Zheng,
Acta Mathematica Sinica . 0, (): 327 -338 .  DOI: 10.1007/s10114-002-0230-6