TY - JOUR AU - Ahmed Laghribi TI - On quadratic forms of height 3 and degree $\leq 2$ JO - Documenta mathematica PY - 1999 SP - 203 EP - 218 VL - 4 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/59/ DO - 10.4171/dm/59 ID - 10_4171_dm_59 ER -