@article{GDZPPN00117424X,
title = {The Method of Lines for Poisson's Equation with Nonlinear or Free Boundary Conditions.},
journal = {Numerische Mathematik},
volume = {28},
year = {1977},
pages = {329-344},
zbl = {0425.65068},
url = {http://dml.mathdoc.fr/item/GDZPPN00117424X}
}
Meyer, G.H. The Method of Lines for Poisson's Equation with Nonlinear or Free Boundary Conditions.. Numerische Mathematik, Tome 28 (1977) pp. 329-344. http://gdmltest.u-ga.fr/item/GDZPPN00117424X/