TY - JOUR AU - CiemaƂa, Marzena TI - Natural homomorphisms of Witt rings of orders in algebraic number fields. II JO - Communications in Mathematics PY - 2006 SP - 13 EP - 16 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2006__14_1_a1/ LA - en ID - COMIM_2006__14_1_a1 ER -