Pascale Charpin Tor Helleseth Victor Zinoviev The divisibility modulo 24 of Kloosterman sums on <i>GF</i>(2<sup><i>m</i></sup>), <i>m</i> odd. 322-338 2007 114 J. Comb. Theory, Ser. A 2 http://dx.doi.org/10.1016/j.jcta.2006.06.002 db/journals/jct/jcta114.html#CharpinHZ07