@article{700192,
title = {On the convergence of difference schemes for classical and weak solutions of the Dirichlet problem},
booktitle = {Differential Equations and Their Applications},
series = {GDML\_Books},
publisher = {Slovensk\'e pedagogick\'e nakladate\v lstvo},
address = {Bratislava},
year = {1967},
pages = {37-43},
zbl = {0188.16203},
url = {http://dml.mathdoc.fr/item/700192}
}
Bramble, J. H. On the convergence of difference schemes for classical and weak solutions of the Dirichlet problem, dans Differential Equations and Their Applications, GDML_Books, (1967), pp. 37-43. http://gdmltest.u-ga.fr/item/700192/