@article{1077296358,
author = {Ulmer, Douglas L.},
title = {$p$ -descent in characteristic $p$},
journal = {Duke Math. J.},
volume = {64},
number = {1},
year = {1991},
pages = { 237-265},
language = {en},
url = {http://dml.mathdoc.fr/item/1077296358}
}
Ulmer, Douglas L. $p$ -descent in characteristic $p$. Duke Math. J., Tome 64 (1991) no. 1, pp. 237-265. http://gdmltest.u-ga.fr/item/1077296358/