TY - JOUR AU - Beata Rothkegel TI - The image of the natural homomorphism of Witt rings of orders in a global field JO - Acta Arithmetica PY - 2013 SP - 349 EP - 384 VL - 160 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa160-4-4/ DO - 10.4064/aa160-4-4 LA - en ID - 10_4064_aa160_4_4 ER -