@article{1250520717,
author = {Yamahara, Hideo},
title = {On the strongly hyperbolic systems},
journal = {J. Math. Kyoto Univ.},
volume = {27},
number = {4},
year = {1987},
pages = { 259-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1250520717}
}
Yamahara, Hideo. On the strongly hyperbolic systems. J. Math. Kyoto Univ., Tome 27 (1987) no. 4, pp. 259-273. http://gdmltest.u-ga.fr/item/1250520717/