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@article{NUMA_1962__4_131520, author = {B.J. STONE}, title = {Best possible ratios of certain matrix norms.}, journal = {Numerische Mathematik}, pages = {114--116}, publisher = {mathdoc}, volume = {4}, year = {1962}, zbl = {0104.34503}, url = {http://geodesic.mathdoc.fr/item/NUMA_1962__4_131520/} }
B.J. STONE. Best possible ratios of certain matrix norms.. Numerische Mathematik, Tome 4 (1962), pp. 114-116. http://geodesic.mathdoc.fr/item/NUMA_1962__4_131520/