TY - JOUR AU - Franz Lemmermeyer TI - Ideal class groups of cyclotomic number fields III JO - Acta Arithmetica PY - 2008 SP - 255 EP - 266 VL - 131 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa131-3-3/ DO - 10.4064/aa131-3-3 LA - en ID - 10_4064_aa131_3_3 ER -