TY - JOUR AU - Wenpeng, Zhang TI - On the mean square value of Dirichlet’s $L$-functions JO - Compositio Mathematica PY - 1992 SP - 59 EP - 69 VL - 84 IS - 1 PB - Kluwer Academic Publishers UR - http://archive.numdam.org/item/CM_1992__84_1_59_0/ LA - en ID - CM_1992__84_1_59_0 ER -