TY - JOUR AU - D.R. Heath-Brown TI - An asymptotic series for the mean value of Dirichlet L-functions. JO - Commentarii mathematici Helvetici PY - 1981 SP - 148 EP - 162 VL - 56 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1981__56_139864/ ID - CMH_1981__56_139864 ER -