@article{702377,
title = {Condition number estimates for elliptic difference problems with anisotropy},
booktitle = {Equadiff 7},
series = {GDML\_Books},
publisher = {BSB B.G. Teubner Verlagsgesellschaft},
address = {Leipzig},
year = {1990},
pages = {218-224},
zbl = {0715.65029},
url = {http://dml.mathdoc.fr/item/702377}
}
Axelsson, O. Condition number estimates for elliptic difference problems with anisotropy, dans Equadiff 7, GDML_Books, (1990), pp. 218-224. http://gdmltest.u-ga.fr/item/702377/