@article{01016567, title = {An invariant of quadratic forms over schemes.}, journal = {Documenta Mathematica}, volume = {1}, year = {1996}, pages = {449-478}, zbl = {0876.11019}, language = {en}, url = {http://dml.mathdoc.fr/item/01016567} }
Szyjewski, Marek. An invariant of quadratic forms over schemes.. Documenta Mathematica, Tome 1 (1996) pp. 449-478. http://gdmltest.u-ga.fr/item/01016567/