%0 Journal Article %A Zhefeng Xu %A Wenpeng Zhang %T On the $2k$th power mean of the character sums over short intervals %J Acta Arithmetica %D 2006 %P 149-160 %V 121 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa121-2-4/ %R 10.4064/aa121-2-4 %G en %F 10_4064_aa121_2_4