@article{10_4171_dm_59,
     author = {Ahmed Laghribi},
     title = {On quadratic forms of height 3 and degree $\leq 2$},
     journal = {Documenta mathematica},
     pages = {203--218},
     year = {1999},
     volume = {4},
     doi = {10.4171/dm/59},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/59/}
}