%0 Journal Article
%A Barnes, Bruce Alan
%T The Fredholm Elements of a Ring
%J Canadian journal of mathematics
%D 1969
%P 84-95
%V 21
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-009-1/
%R 10.4153/CJM-1969-009-1
%F 10_4153_CJM_1969_009_1