%0 Journal Article
%A Cordes, Craig M.
%T Abstract Witt Rings When Certain Binary Forms Represent Exactly Four Elements
%J Canadian journal of mathematics
%D 1993
%P 1184-1199
%V 45
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-066-7/
%R 10.4153/CJM-1993-066-7
%F 10_4153_CJM_1993_066_7