TY  - JOUR
AU  - M. H. Lee 
TI  - Casimir Operators on Pseudodifferential Operators of Several Variables
JO  - Journal of Lie theory
PY  - 2002
SP  - 483
EP  - 493
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JLT_2002_12_2_JLT_2002_12_2_a9/
ID  - JLT_2002_12_2_JLT_2002_12_2_a9
ER  -