@article{01750377,
title = {Development of singularities in solutions of a hyperbolic system.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {1-7},
doi = {10.1155/S0161171201011073},
zbl = {1023.35064},
language = {en},
url = {http://dml.mathdoc.fr/item/01750377}
}
Messaoudi, S.A. Development of singularities in solutions of a hyperbolic system.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 1-7. doi : 10.1155/S0161171201011073. http://gdmltest.u-ga.fr/item/01750377/