@article{01128750,
title = {Local error estimates and adaptive refinement for first-order system least squares (FOSLS).},
journal = {ETNA. Electronic Transactions on Numerical Analysis [electronic only]},
volume = {6},
year = {1997},
pages = {35-43},
zbl = {0889.65112},
language = {en},
url = {http://dml.mathdoc.fr/item/01128750}
}
Berndt, Markus; Manteuffel, Thomas A.; McCormick, Stephen F. Local error estimates and adaptive refinement for first-order system least squares (FOSLS).. ETNA. Electronic Transactions on Numerical Analysis [electronic only], Tome 6 (1997) pp. 35-43. http://gdmltest.u-ga.fr/item/01128750/