@article{10_4171_ifb_192,
     author = {Xinfu Chen and Bei Hu},
     title = {Viscosity solutions of discontinuous {Hamilton{\textendash}Jacobi} equations},
     journal = {Interfaces and free boundaries},
     pages = {339--359},
     year = {2008},
     volume = {10},
     number = {3},
     doi = {10.4171/ifb/192},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/192/}
}