TY - JOUR AU - Humio Ichimura TI - Normal integral bases and ray class groups JO - Acta Arithmetica PY - 2004 SP - 71 EP - 85 VL - 114 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa114-1-5/ DO - 10.4064/aa114-1-5 LA - en ID - 10_4064_aa114_1_5 ER -