@article{1200787090,
author = {Sordoni, Vania},
title = {On the well posedness of the Cauchy problem for a class of hyperbolic operators with multiple involutive characteristics},
journal = {Osaka J. Math.},
volume = {33},
number = {1},
year = {1996},
pages = { 589-605},
language = {en},
url = {http://dml.mathdoc.fr/item/1200787090}
}
Sordoni, Vania. On the well posedness of the Cauchy problem for a class of hyperbolic operators with multiple involutive characteristics. Osaka J. Math., Tome 33 (1996) no. 1, pp. 589-605. http://gdmltest.u-ga.fr/item/1200787090/