@article{GDZPPN001164090,
title = {Best possible ratios of certain matrix norms.},
journal = {Numerische Mathematik},
volume = {4},
year = {1962},
pages = {114-116},
zbl = {0104.34503},
url = {http://dml.mathdoc.fr/item/GDZPPN001164090}
}
STONE, B.J. Best possible ratios of certain matrix norms.. Numerische Mathematik, Tome 4 (1962) pp. 114-116. http://gdmltest.u-ga.fr/item/GDZPPN001164090/