@article{GDZPPN002425157,
title = {Asymptotic Expansion for the Discretization Error in Linear Elliptic Boundary Value Problems on General Regions.},
journal = {Mathematische Zeitschrift},
volume = {177},
year = {1981},
pages = {235-256},
zbl = {0443.65073},
url = {http://dml.mathdoc.fr/item/GDZPPN002425157}
}
Böhmer, Klaus. Asymptotic Expansion for the Discretization Error in Linear Elliptic Boundary Value Problems on General Regions.. Mathematische Zeitschrift, Tome 177 (1981) pp. 235-256. http://gdmltest.u-ga.fr/item/GDZPPN002425157/