@article{1077245857,
author = {Kahn, Bruno},
title = {A descent problem for quadratic forms},
journal = {Duke Math. J.},
volume = {80},
number = {1},
year = {1995},
pages = { 139-155},
language = {en},
url = {http://dml.mathdoc.fr/item/1077245857}
}
Kahn, Bruno. A descent problem for quadratic forms. Duke Math. J., Tome 80 (1995) no. 1, pp. 139-155. http://gdmltest.u-ga.fr/item/1077245857/