共 50 条
- [1] GENERALIZED CASIMIR-OPERATORS OF SOLVABLE LIE-ALGEBRAS WITH ABELIAN NILRADICALS JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1994, 27 (08): : 2787 - 2800
- [5] SECTIONAL OPERATORS, NEW INTEGRABLE SYSTEMS AND SEMIDIRECT LIE-ALGEBRAS JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1995, 28 (12): : 3511 - 3523