@article{GDZPPN001164309,
title = {On the Formulation of finite Difference analogues of the Dirichlet Problem for Poisson's Equation.},
journal = {Numerische Mathematik},
volume = {4},
year = {1962},
pages = {313-329},
zbl = {0135.18102},
url = {http://dml.mathdoc.fr/item/GDZPPN001164309}
}
BRAMBLE, J.H.; HUBBARD, B.E. On the Formulation of finite Difference analogues of the Dirichlet Problem for Poisson's Equation.. Numerische Mathematik, Tome 4 (1962) pp. 313-329. http://gdmltest.u-ga.fr/item/GDZPPN001164309/