TY - JOUR AU - Xinfu Chen AU - Bei Hu TI - Viscosity solutions of discontinuous Hamilton–Jacobi equations JO - Interfaces and free boundaries PY - 2008 SP - 339 EP - 359 VL - 10 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/192/ DO - 10.4171/ifb/192 ID - 10_4171_ifb_192 ER -