@article{1077467338,
author = {Brauer, Alfred},
title = {The theorems of Ledermann and Ostrowski on positive
matrices},
journal = {Duke Math. J.},
volume = {24},
number = {1},
year = {1957},
pages = { 265-274},
language = {en},
url = {http://dml.mathdoc.fr/item/1077467338}
}
Brauer, Alfred. The theorems of Ledermann and Ostrowski on positive matrices. Duke Math. J., Tome 24 (1957) no. 1, pp. 265-274. http://gdmltest.u-ga.fr/item/1077467338/