%0 Journal Article %A Ahmed Laghribi %T On quadratic forms of height 3 and degree $\leq 2$ %J Documenta mathematica %D 1999 %P 203-218 %V 4 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/59/ %R 10.4171/dm/59 %F 10_4171_dm_59