%0 Journal Article %A Xinfu Chen %A Bei Hu %T Viscosity solutions of discontinuous Hamilton–Jacobi equations %J Interfaces and free boundaries %D 2008 %P 339-359 %V 10 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/192/ %R 10.4171/ifb/192 %F 10_4171_ifb_192