@article{1250520762, author = {Gourdin, Daniel}, title = {Probl\`eme de Cauchy faiblement hyperbolique II}, journal = {J. Math. Kyoto Univ.}, volume = {27}, number = {4}, year = {1987}, pages = { 27-45}, language = {fr}, url = {http://dml.mathdoc.fr/item/1250520762} }
Gourdin, Daniel. Problème de Cauchy faiblement hyperbolique II. J. Math. Kyoto Univ., Tome 27 (1987) no. 4, pp. 27-45. http://gdmltest.u-ga.fr/item/1250520762/