TY - JOUR AU - Koen Thas AU - Don B. Zagier TI - Finite projective planes, Fermat curves, and Gaussian periods JO - Journal of the European Mathematical Society PY - 2008 SP - 173 EP - 190 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/107/ DO - 10.4171/jems/107 ID - JEMS_2008_10_1_a5 ER -