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2. Differential operators and highest weight representations;Davidson,1991
3. Commutative Algebra with a View toward Algebraic Geometry;Eisenbud,1995
4. Analogues of Kostant's u-cohomology formulas for unitary highest weight modules;Enright;J. Reine Angew. Math.,1988
5. A classification of unitary highest weight modules;Enright,1982