@article{RSM_2003__61_2_116639,
     author = {Reissig, M.},
     title = {Hyperbolic equations with {non-Lipschitz} coefficients.},
     journal = {Rendiconti del seminario matematico},
     pages = {135--182},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2003},
     zbl = {1182.35155},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2003__61_2_116639/}
}