@article{1183529926,
author = {Johnson, J. L. and Smoller, J. A.},
title = {Global solutions of hyperbolic systems of conservation laws in two dependent variables},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 915-918},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529926}
}
Johnson, J. L.; Smoller, J. A. Global solutions of hyperbolic systems of conservation laws in two dependent variables. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 915-918. http://gdmltest.u-ga.fr/item/1183529926/