TY  - JOUR
AU  - Schrohe, E.
AU  - Boggiatto, P.
TI  - Characterization, spectral invariance and the Fredholm property of multi-quasi-elliptic operators.
JO  - Rendiconti del seminario matematico
PY  - 2001
SP  - 229
EP  - 242
VL  - 59
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RSM_2001__59_4_125135/
LA  - en
ID  - RSM_2001__59_4_125135
ER  -