TY - JOUR AU - K. Soundararajan TI - Nonvanishing of quadratic Dirichlet $L$-functions at $s=\frac{1}{2}$ JO - Annals of mathematics PY - 2000 VL - 152 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM_2000_152_2_a2/ ID - AM_2000_152_2_a2 ER -