@article{NUMA_1977__29_132524,
     author = {G.H. Meyer},
     title = {The {Method} of {Lines} for {Poisson's} {Equation} with {Nonlinear} or {Free} {Boundary} {Conditions.}},
     journal = {Numerische Mathematik},
     pages = {329--344},
     publisher = {mathdoc},
     volume = {29},
     year = {1977},
     zbl = {0425.65068},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1977__29_132524/}
}