@article{1077379958,
author = {Perkins, John C. and Fulton, John D.},
title = {Symmetric involutions over fields of characteristic $2$},
journal = {Duke Math. J.},
volume = {38},
number = {1},
year = {1971},
pages = { 697-702},
language = {en},
url = {http://dml.mathdoc.fr/item/1077379958}
}
Perkins, John C.; Fulton, John D. Symmetric involutions over fields of characteristic $2$. Duke Math. J., Tome 38 (1971) no. 1, pp. 697-702. http://gdmltest.u-ga.fr/item/1077379958/