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Partially supported by Guggenheim Foundation Fellowship and the NSF Grant DMS-8701840
Oblatum 24-V-1989
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Ratner, M. Strict measure rigidity for unipotent subgroups of solvable groups. Invent Math 101, 449–482 (1990). https://doi.org/10.1007/BF01231511
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DOI: https://doi.org/10.1007/BF01231511