TY - JOUR AU - Cornelius Greither TI - Tate sequences and lower bounds for ranks of class groups JO - Acta Arithmetica PY - 2013 SP - 55 EP - 66 VL - 160 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa160-1-4/ DO - 10.4064/aa160-1-4 LA - en ID - 10_4064_aa160_1_4 ER -