TY - JOUR AU - Zhefeng Xu AU - Wenpeng Zhang TI - On the $2k$th power mean of the character sums over short intervals JO - Acta Arithmetica PY - 2006 SP - 149 EP - 160 VL - 121 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa121-2-4/ DO - 10.4064/aa121-2-4 LA - en ID - 10_4064_aa121_2_4 ER -