TY - JOUR AU - Ken Nakamula TI - Class number calculation of a quartic field from the elliptic unit JO - Acta Arithmetica PY - 1985 SP - 215 EP - 227 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-45-3-215-227/ DO - 10.4064/aa-45-3-215-227 LA - en ID - 10_4064_aa_45_3_215_227 ER -