@article{GDZPPN002411407,
title = {The Relationship of Matrix Norms to Matrix Singularities.},
journal = {Mathematische Zeitschrift},
volume = {129},
year = {1972},
pages = {365-369},
zbl = {0254.40004},
url = {http://dml.mathdoc.fr/item/GDZPPN002411407}
}
Petersen, Gordon M. The Relationship of Matrix Norms to Matrix Singularities.. Mathematische Zeitschrift, Tome 129 (1972) pp. 365-369. http://gdmltest.u-ga.fr/item/GDZPPN002411407/