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Dedicated to M. Gromov on the occasion of his 50th birthday
The first author was supported in part by NSA grants MDA904-91-H-0040 and MDA904-93-H-3028. The second author was supported in part by NSF grants DMS-8807336 and DMS-9302732.
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Cogdell, J.W., Piatetski-Shapiro, I.I. Unitarity and functoriality. Geometric and Functional Analysis 5, 164–173 (1995). https://doi.org/10.1007/BF01895666
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DOI: https://doi.org/10.1007/BF01895666