@article{1260976030,
author = {Yujiro OHYA, Par},
title = {Le probl\`eme de Cauchy pour les \'equations hyperboliques \`a caract\'eristique multiple},
journal = {J. Math. Soc. Japan},
volume = {16},
number = {4},
year = {1964},
pages = { 268-286},
language = {en},
url = {http://dml.mathdoc.fr/item/1260976030}
}
Yujiro OHYA, Par. Le probl\`eme de Cauchy pour les \'equations hyperboliques \`a caract\'eristique multiple. J. Math. Soc. Japan, Tome 16 (1964) no. 4, pp. 268-286. http://gdmltest.u-ga.fr/item/1260976030/