Fourth power mean of character sums

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Zhefeng Xu, Wenpeng Zhang Acta Arithmetica 135 (2008), 31-49 MSC: Primary 11L40. DOI: 10.4064/aa135-1-3

Zhefeng XuDepartment of Mathematics
Northwest University
Xi'an, Shaanxi, P.R. China
Wenpeng ZhangDepartment of Mathematics
Northwest University
Xi'an, Shaanxi, P.R.China
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