MathSciNet bibliographic data MR2424173 11L03 (11S40) Cluckers, Raf Igusa's conjecture on exponential sums modulo \$p\$$p$ and \$p\sp 2\$$p\sp 2$ and the motivic oscillation index. Int. Math. Res. Not. IMRN 2008, no. 4, Art. ID rnm118, 20 pp. Journal

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