@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/