@article{GDZPPN002439166,
title = {Linear degeneracy and shock waves.},
journal = {Mathematische Zeitschrift},
volume = {207},
year = {1991},
pages = {583-596},
zbl = {0756.35048},
url = {http://dml.mathdoc.fr/item/GDZPPN002439166}
}
Freistühler, Heinrich. Linear degeneracy and shock waves.. Mathematische Zeitschrift, Tome 207 (1991) pp. 583-596. http://gdmltest.u-ga.fr/item/GDZPPN002439166/