TY  - JOUR
AU  - Celso Martinez
AU  -  
TI  - A note on a formula for the fractional powers of infinitesimal generators of semigroups
JO  - Studia Mathematica
PY  - 1996
SP  - 247
EP  - 254
VL  - 119
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-119-3-247-254/
DO  - 10.4064/sm-119-3-247-254
LA  - en
ID  - 10_4064_sm_119_3_247_254
ER  -