@article{NUMA_1984__43_132913,
     author = {Gunter H. Meyer},
     title = {Free {Boundary} {Problems} with {Nonlinear} {Source} {Terms.}},
     journal = {Numerische Mathematik},
     pages = {463--483},
     publisher = {mathdoc},
     volume = {43},
     year = {1984},
     zbl = {0539.65083},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1984__43_132913/}
}