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Work supported in part by NSF.
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Jorgensen, P.E.T. Representations of differential operators on a Lie group, and conditions for a Lie algebra of operators to generate a representation of the group. J. Anal. Math. 43, 251–288 (1983). https://doi.org/10.1007/BF02790186
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DOI: https://doi.org/10.1007/BF02790186