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
UR  - https://jolt.centre-mersenne.org/articles/10.5802/jolt.275/
DO  - 10.5802/jolt.275
ID  - JOLT_2002_12_2_a9
ER  -