@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/