%0 Journal Article %A Koen Thas %A Don B. Zagier %T Finite projective planes, Fermat curves, and Gaussian periods %J Journal of the European Mathematical Society %D 2008 %P 173-190 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/107/ %R 10.4171/jems/107 %F JEMS_2008_10_1_a5