TY  - JOUR
AU  - Booss-Bavnbek, Bernhelm
AU  - Lesch, Matthias
AU  - Phillips, John
TI  - Unbounded Fredholm Operators and Spectral Flow
JO  - Canadian journal of mathematics
PY  - 2005
SP  - 225
EP  - 250
VL  - 57
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-010-1/
DO  - 10.4153/CJM-2005-010-1
ID  - 10_4153_CJM_2005_010_1
ER  -