TY - JOUR AU - Jonathan W. Sands TI - $L$-functions at the origin and annihilation of class groups in multiquadratic extensions JO - Acta Arithmetica PY - 2012 SP - 173 EP - 185 VL - 154 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa154-2-5/ DO - 10.4064/aa154-2-5 LA - en ID - 10_4064_aa154_2_5 ER -