@article { dkpl151,
author = { Katz, Daniel and Langevin, Philippe },
title  = { Proof of a Conjectured Three-Valued Family of Weil Sums of Binomials },
journal = { Acta Arith. },
pages = { 181--199 },
volume  = { 169 },
year = {2015},
url  =  {http://arxiv.org/abs/1409.2459},
}