TY  - JOUR
AU  - Celso Martinez
AU  - Miguel Sanz
TI  - A note on a formula for the fractional powers of infinitesimal generators of semigroups
JO  - Studia Mathematica
PY  - 1996
SP  - 247
VL  - 119
IS  - 3
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/STUMA_1996__119_3_216298/
LA  - en
ID  - STUMA_1996__119_3_216298
ER  -