Thomas A. Manteuffel, Stephen F. McCormick, Christoph Pflaum. Improved discretization error estimates for first-order system least squares. J. Num. Math., 11(2):163-177, 2003. [doi]
@article{ManteuffelMP03,
title = {Improved discretization error estimates for first-order system least squares},
author = {Thomas A. Manteuffel and Stephen F. McCormick and Christoph Pflaum},
year = {2003},
doi = {10.1515/156939503766614153},
url = {http://dx.doi.org/10.1515/156939503766614153},
researchr = {https://researchr.org/publication/ManteuffelMP03},
cites = {0},
citedby = {0},
journal = {J. Num. Math.},
volume = {11},
number = {2},
pages = {163-177},
}