TY  - JOUR
AU  - Robert Israel
TI  - Perturbations of Fredholm operators
JO  - Studia Mathematica
PY  - 1974
SP  - 1
EP  - 8
VL  - 52
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-52-1-1-8/
DO  - 10.4064/sm-52-1-1-8
LA  - en
ID  - 10_4064_sm_52_1_1_8
ER  -