%0 Journal Article %A Romuald Dąbrowski %A Benji Fisher %T A stationary phase formula for exponential sums over $ℤ/p^{m}ℤ$ and applications to GL(3)-Kloosterman sums %J Acta Arithmetica %D 1997 %P 1-48 %V 80 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-80-1-1-48/ %R 10.4064/aa-80-1-1-48 %G en %F 10_4064_aa_80_1_1_48