TY - JOUR AU - Heima Hayashi TI - On elliptic units and class number of a certain dihedral extension of degree 2l JO - Acta Arithmetica PY - 1984 SP - 35 EP - 45 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-44-1-35-45/ DO - 10.4064/aa-44-1-35-45 LA - en ID - 10_4064_aa_44_1_35_45 ER -