TY  - JOUR
AU  - Zhefeng Xu
AU  - Wenpeng Zhang
TI  - Fourth power mean of character sums
JO  - Acta Arithmetica
PY  - 2008
SP  - 31
EP  - 49
VL  - 135
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa135-1-3/
DO  - 10.4064/aa135-1-3
LA  - en
ID  - 10_4064_aa135_1_3
ER  -