@article{1153492651,
author = {Bove, Antonio and Nishitani, Tatsuo},
title = {Necessary conditions for the well-posedness of the Cauchy problem for hyperbolic systems},
journal = {Osaka J. Math.},
volume = {39},
number = {1},
year = {2002},
pages = { 149-179},
language = {en},
url = {http://dml.mathdoc.fr/item/1153492651}
}
Bove, Antonio; Nishitani, Tatsuo. Necessary conditions for the well-posedness of the Cauchy problem for hyperbolic systems. Osaka J. Math., Tome 39 (2002) no. 1, pp. 149-179. http://gdmltest.u-ga.fr/item/1153492651/