TY  - JOUR
AU  - Niels Jacob
TI  - A class of Feller semigroups generated by pseudo differential operators.
JO  - Mathematische Zeitschrift
PY  - 1994
SP  - 151
EP  - 166
VL  - 215
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174603/
ID  - MZ_1994__215_1_174603
ER  -