TY  - JOUR
AU  - Bertram Yood
TI  - Ascent, descent and roots of Fredholm operators
JO  - Studia Mathematica
PY  - 2003
SP  - 219
EP  - 226
VL  - 158
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm158-3-3/
DO  - 10.4064/sm158-3-3
LA  - en
ID  - 10_4064_sm158_3_3
ER  -