%0 Journal Article %A Carson, Andrew B. %A Marshall, Murray A. %T Decomposition of Witt Rings %J Canadian journal of mathematics %D 1982 %P 1276-1302 %V 34 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-089-1/ %R 10.4153/CJM-1982-089-1 %F 10_4153_CJM_1982_089_1