TY - JOUR AU - Elder, G. Griffith TI - Galois Module Structure of Ambiguous Ideals in Biquadratic Extensions JO - Canadian journal of mathematics PY - 1998 SP - 1007 EP - 1047 VL - 50 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-050-4/ DO - 10.4153/CJM-1998-050-4 ID - 10_4153_CJM_1998_050_4 ER -