@article{10_4064_cm91_2_8,
     author = {Przemyslaw Koprowski},
     title = {Local-global principle for {Witt} equivalence
of function fields over global fields},
     journal = {Colloquium Mathematicum},
     pages = {293--302},
     publisher = {mathdoc},
     volume = {91},
     number = {2},
     year = {2002},
     doi = {10.4064/cm91-2-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm91-2-8/}
}