TY  - JOUR
AU  - Appell, Jürgen
AU  - Simões, Marilda A.
AU  - Zabrejko, Petr P.
TI  - On the $\Cal L$-characteristic of fractional powers of linear operators
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1994
SP  - 21
EP  - 34
VL  - 35
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1994__35_1_a2/
LA  - en
ID  - CMUC_1994__35_1_a2
ER  -