@article{02217051,
title = {Hyperbolic equations with non-Lipschitz coefficients.},
journal = {Rendiconti del Seminario Matematico},
volume = {61},
year = {2003},
pages = {135-182},
zbl = {1182.35155},
language = {en},
url = {http://dml.mathdoc.fr/item/02217051}
}
Reissig, M. Hyperbolic equations with non-Lipschitz coefficients.. Rendiconti del Seminario Matematico, Tome 61 (2003) pp. 135-182. http://gdmltest.u-ga.fr/item/02217051/