@article{1200784364, author = {Gourdin, Daniel}, title = {Syst\`emes quasi lin\'eaires hyperboliques non sym\'etrisables}, journal = {Osaka J. Math.}, volume = {30}, number = {1}, year = {1993}, pages = { 349-364}, language = {en}, url = {http://dml.mathdoc.fr/item/1200784364} }
Gourdin, Daniel. Systèmes quasi linéaires hyperboliques non symétrisables. Osaka J. Math., Tome 30 (1993) no. 1, pp. 349-364. http://gdmltest.u-ga.fr/item/1200784364/