TY - JOUR TI - Unit indices and cohomology for biquadratic extensions of imaginary quadratic fields JO - Journal de Théorie des Nombres de Bordeaux PY - 2008 DA - 2008/// SP - 183 EP - 204 VL - 20 IS - 1 PB - Université Bordeaux 1 UR - https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.621/ UR - https://zbmath.org/?q=an%3Apre05543196 UR - https://www.ams.org/mathscinet-getitem?mr=2434163 UR - https://doi.org/10.5802/jtnb.621 DO - 10.5802/jtnb.621 LA - en ID - JTNB_2008__20_1_183_0 ER -