@article{GDZPPN002436531,
title = {On a Local Existence Theorem of Neumann Problem for Some Quasilinear Hyperbolic Systems of 2nd Order.},
journal = {Mathematische Zeitschrift},
volume = {202},
year = {1989},
pages = {1-64},
zbl = {0652.35077},
url = {http://dml.mathdoc.fr/item/GDZPPN002436531}
}
Shibata, Yoshihiro; Nakamura, Gen. On a Local Existence Theorem of Neumann Problem for Some Quasilinear Hyperbolic Systems of 2nd Order.. Mathematische Zeitschrift, Tome 202 (1989) pp. 1-64. http://gdmltest.u-ga.fr/item/GDZPPN002436531/