@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/