@article{MAN_1990__288_1_164747, author = {Markus Rost}, title = {On {Quadratic} forms isotropic over the function field of a comic.}, journal = {Mathematische Annalen}, pages = {511--514}, publisher = {mathdoc}, volume = {288}, number = {1}, year = {1990}, zbl = {0698.12009}, url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164747/} }