@article{700400,
     title = {Hyperbolic equations and systems with discontinuous coefficients or source terms},
     booktitle = {Proceedings of Equadiff 11},
     series = {GDML\_Books},
     publisher = {Comenius University Press},
     address = {Bratislava},
     year = {2007},
     pages = {105-114},
     url = {http://dml.mathdoc.fr/item/700400}
}

Gallouët, T. Hyperbolic equations and systems with discontinuous coefficients or source terms, dans Proceedings of Equadiff 11, GDML_Books,  (2007), pp. 105-114. http://gdmltest.u-ga.fr/item/700400/