@article{1250128215,
author = {Barnhill, Robert E. and Wilcox, Calvin H.},
title = {Computable error bounds for finite element approximations to the Dirichlet problem},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 459-470},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128215}
}
Barnhill, Robert E.; Wilcox, Calvin H. Computable error bounds for finite element approximations to the Dirichlet problem. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 459-470. http://gdmltest.u-ga.fr/item/1250128215/