On the mean value of $L(m,\chi )L(n,\overline {\chi })$ at 
 positive integers $m,n\geq 1$

Wydawnictwa / Czasopisma IMPAN / Acta Arithmetica / Wszystkie zeszyty

Huaning Liu, Wenpeng Zhang Acta Arithmetica 122 (2006), 51-56 MSC: 11M06, 11F20, 11B68. DOI: 10.4064/aa122-1-5

Huaning LiuDepartment of Mathematics
Northwest University
Xi'an, Shaanxi, P.R. China
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Wenpeng ZhangDepartment of Mathematics
Northwest University
Xi'an, Shaanxi, P.R. China
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