TY - JOUR AU - Bruno Kahn TI - On the cohomology of biquadratic extensions. JO - Commentarii mathematici Helvetici PY - 1994 SP - 120 EP - 136 VL - 69 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140328/ ID - CMH_1994__69_4_140328 ER -