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Supported in part by the Sloan Foundation's Doctoral Fellowship
Supported in part by an NSF grant
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Sogge, C.D., Stein, E.M. Averages of functions over hypersurfaces in ℝn . Invent Math 82, 543–556 (1985). https://doi.org/10.1007/BF01388869
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DOI: https://doi.org/10.1007/BF01388869