TY  - JOUR
AU  - Ewa Damek
TI  - Left-invariant degenerate elliptic operators on semidirect extensions of homogeneous groups
JO  - Studia Mathematica
PY  - 1988
SP  - 169
EP  - 196
VL  - 89
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-89-2-169-196/
DO  - 10.4064/sm-89-2-169-196
LA  - en
ID  - 10_4064_sm_89_2_169_196
ER  -