@INPROCEEDINGS { ll-saga, author = { Langevin, Philippe and Leander, Gregor }, title = { On Exponents with highly divisible Fourier Coefficients and Conjectures of Niho and Dobbertin }, booktitle = { Algebraic Geometry and its applications }, pages = { 410--418 }, year = {2008}, rang = {A}, url = {http://langevin.univ-tln.fr/recherche/publi/ll-saga-07.ps}, }