%0 Journal Article %A Leep, David %A Marshall, Murray %T Isomorphisms and Automorphisms of Witt Rings %J Canadian mathematical bulletin %D 1988 %P 250-256 %V 31 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-038-7/ %R 10.4153/CMB-1988-038-7 %F 10_4153_CMB_1988_038_7