TY  - JOUR
AU  - Martínez, Celso
AU  - Sanz, Miguel
AU  - Redondo, Antonia
TI  - Fractional Powers of Almost Non-Negative Operators
JO  - Fractional calculus and applied analysis
PY  - 2005
SP  - 201
EP  - 230
VL  - 8
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FCAA_2005_8_2_a6/
LA  - en
ID  - FCAA_2005_8_2_a6
ER  -