@article{GDZPPN001167960,
title = {On the Convergence of Difference Approximations to Weak Solutions of Dirichlet's Problem.},
journal = {Numerische Mathematik},
volume = {13},
year = {1969},
pages = {101-111},
zbl = {0196.17803},
url = {http://dml.mathdoc.fr/item/GDZPPN001167960}
}
BRAMBLE, J.H. On the Convergence of Difference Approximations to Weak Solutions of Dirichlet's Problem.. Numerische Mathematik, Tome 13 (1969) pp. 101-111. http://gdmltest.u-ga.fr/item/GDZPPN001167960/