@article{GDZPPN002438720, title = {Pfaffians, central simple algebras and similtudes.}, journal = {Mathematische Zeitschrift}, volume = {207}, year = {1991}, pages = {589-604}, zbl = {0707.16006}, url = {http://dml.mathdoc.fr/item/GDZPPN002438720} }
Sridharan, R.; Knus, M.-A.; Parimala, R. Pfaffians, central simple algebras and similtudes.. Mathematische Zeitschrift, Tome 207 (1991) pp. 589-604. http://gdmltest.u-ga.fr/item/GDZPPN002438720/