@article{1200774833,
author = {Ichinose, Wataru},
title = {Propagation of singularities for a hyperbolic system with double characteristics},
journal = {Osaka J. Math.},
volume = {19},
number = {1},
year = {1982},
pages = { 171-187},
language = {en},
url = {http://dml.mathdoc.fr/item/1200774833}
}
Ichinose, Wataru. Propagation of singularities for a hyperbolic system with double characteristics. Osaka J. Math., Tome 19 (1982) no. 1, pp. 171-187. http://gdmltest.u-ga.fr/item/1200774833/