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Wallach, Nolan R. Invariant differential operators on a reductive Lie algebra and Weyl group representations. (English) Zbl 0804.22004 J. Am. Math. Soc. 6, No. 4, 779-816 (1993). Reviewer: E.P.van den Ban (Utrecht) MSC: 22E30 22E45 17B20 22E46 32C38 PDFBibTeX XMLCite \textit{N. R. Wallach}, J. Am. Math. Soc. 6, No. 4, 779--816 (1993; Zbl 0804.22004) Full Text: DOI