@article{GDZPPN001185470,
title = {A posteriori error estimates for linear equations.},
journal = {Numerische Mathematik},
volume = {63},
year = {1992},
pages = {1-6},
zbl = {0747.65027},
url = {http://dml.mathdoc.fr/item/GDZPPN001185470}
}
Auchmuty, Giles. A posteriori error estimates for linear equations.. Numerische Mathematik, Tome 63 (1992) pp. 1-6. http://gdmltest.u-ga.fr/item/GDZPPN001185470/