Abstract
. We give three estimates on bilinear exponential sums of type I. As application we prove that , where the A j are effective constants and t(?) denotes the number of unitary factors of a finite abelian group ?. This improves on the previous result.
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(Received 21 September 1998)
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Wu, J. Double Exponential Sums and Some Applications. Mh Math 128, 255–262 (1999). https://doi.org/10.1007/s006050050062
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DOI: https://doi.org/10.1007/s006050050062