TY  - JOUR
AU  - Hermann Sohr
AU  - Jan Prüss
TI  - On Operators with Bounded Imaginary Powers in Banach Spaces.
JO  - Mathematische Zeitschrift
PY  - 1990
SP  - 429
EP  - 452
VL  - 203
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174139/
ID  - MZ_1990__203_3_174139
ER  -