TY  - JOUR
AU  - Victoria Knopova
TI  - Semigroups generated by certain
 pseudo-differential operators on the half-space ${\Bbb R}_{0+}^{n+1}$
JO  - Colloquium Mathematicum
PY  - 2004
SP  - 221
EP  - 236
VL  - 101
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm101-2-6/
DO  - 10.4064/cm101-2-6
LA  - en
ID  - 10_4064_cm101_2_6
ER  -