@article{10_4171_dm_50,
     author = {Oleg T. Izhboldin},
     title = {Motivic equivalence of quadratic forms},
     journal = {Documenta mathematica},
     pages = {341--351},
     year = {1998},
     volume = {3},
     doi = {10.4171/dm/50},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/50/}
}