TY - JOUR AU - Andrzej Sładek TI - Grothendieck and Witt groups in the reduced theory of quadratic forms JO - Annales Polonici Mathematici PY - 1980 SP - 13 EP - 25 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-38-1-13-25/ DO - 10.4064/ap-38-1-13-25 LA - en ID - 10_4064_ap_38_1_13_25 ER -