@article{100402,
author = {Jan Ma\v r\'\i k and Vlastimil Pt\'ak},
title = {Norms, spectra and combinatorial properties of matrices},
journal = {Czechoslovak Mathematical Journal},
volume = {10},
year = {1960},
pages = {181-196},
zbl = {0093.24205},
mrnumber = {0120243},
language = {en},
url = {http://dml.mathdoc.fr/item/100402}
}
Mařík, Jan; Pták, Vlastimil. Norms, spectra and combinatorial properties of matrices. Czechoslovak Mathematical Journal, Tome 10 (1960) pp. 181-196. http://gdmltest.u-ga.fr/item/100402/