@inproceedings { MR1849099,
author = { Langevin, Philippe and Sol{\'e}, Patrick },
title  = { Gauss sums over quasi-{F}robenius rings },
booktitle = { Finite fields and applications ({A}ugsburg, 1999) },
pages = { 329--340 },
publisher = { Springer },
address = { Berlin },
year = {2001},
}