@article{1178243073,
author = {Borel, A. and Springer, T. A.},
title = {Rationality properties of linear algebraic groups, II},
journal = {Tohoku Math. J. (2)},
volume = {20},
number = {4},
year = {1968},
pages = { 443-497},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243073}
}
Borel, A.; Springer, T. A. Rationality properties of linear algebraic groups, II. Tohoku Math. J. (2), Tome 20 (1968) no. 4, pp. 443-497. http://gdmltest.u-ga.fr/item/1178243073/