@article{GDZPPN002106396, title = {Degree for cohomological invariants for quadratic forms.}, journal = {Inventiones mathematicae}, volume = {96}, year = {1989}, pages = {551-570}, zbl = {0685.10015}, url = {http://dml.mathdoc.fr/item/GDZPPN002106396} }
Jacob, Bill; Rost, Markus. Degree for cohomological invariants for quadratic forms.. Inventiones mathematicae, Tome 96 (1989) pp. 551-570. http://gdmltest.u-ga.fr/item/GDZPPN002106396/