@article{GDZPPN002094916,
title = {Function Fileds of Pfister Forms.},
journal = {Inventiones mathematicae},
volume = {55},
year = {1979},
pages = {61-76},
zbl = {0395.10028},
url = {http://dml.mathdoc.fr/item/GDZPPN002094916}
}
Lam, T.Y.; Elman, R.; Wadsworth, A.R. Function Fileds of Pfister Forms.. Inventiones mathematicae, Tome 55 (1979) pp. 61-76. http://gdmltest.u-ga.fr/item/GDZPPN002094916/