@article{00773723,
title = {Singularity formation in systems of non-strictly hyperbolic equations.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1995/10},
year = {1995},
zbl = {0824.35072},
language = {en},
url = {http://dml.mathdoc.fr/item/00773723}
}
Saxton, R.; Vinod, V. Singularity formation in systems of non-strictly hyperbolic equations.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1995/10 (1995) . http://gdmltest.u-ga.fr/item/00773723/