TY  - JOUR
AU  - Barnes, Bruce Alan
TI  - The Fredholm Elements of a Ring
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 84
EP  - 95
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-009-1/
DO  - 10.4153/CJM-1969-009-1
ID  - 10_4153_CJM_1969_009_1
ER  -