@article{DOCMA_2001__S7__a1,
     author = {Laghribi, Ahmed},
     title = {Certaines combinaisons lin\'eaires de deux formes de {Pfister} et le probl\`eme d'isotropie},
     journal = {Documenta mathematica},
     pages = {219--240},
     publisher = {mathdoc},
     volume = {Proc. Conf. Baton Rouge, March 26-30,2001},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2001__S7__a1/}
}