@article{NUMA_1985__46_132984,
     author = {M. Brokate},
     title = {Numerical {Solution} of a {Hyperbolic} {Free} {Boundary} {Problem} with a {Method} of {Characteristics.}},
     journal = {Numerische Mathematik},
     pages = {85--100},
     publisher = {mathdoc},
     volume = {46},
     year = {1985},
     zbl = {0566.65087},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__46_132984/}
}