@article{GDZPPN001183931,
title = {Total Flux Estimates for a Finite Element Approximation of the Dirichlet Problem Using the Boundary Penalty Method.},
journal = {Numerische Mathematik},
volume = {58},
year = {1990},
pages = {351-364},
zbl = {0702.65088},
url = {http://dml.mathdoc.fr/item/GDZPPN001183931}
}
Barrett, John W.; Shanahan, R.M. Total Flux Estimates for a Finite Element Approximation of the Dirichlet Problem Using the Boundary Penalty Method.. Numerische Mathematik, Tome 58 (1990) pp. 351-364. http://gdmltest.u-ga.fr/item/GDZPPN001183931/