@article{1077467627, author = {Mirsky, L.}, title = {Inequalities for normal and Hermitian matrices}, journal = {Duke Math. J.}, volume = {24}, number = {1}, year = {1957}, pages = { 591-599}, language = {en}, url = {http://dml.mathdoc.fr/item/1077467627} }
Mirsky, L. Inequalities for normal and Hermitian matrices. Duke Math. J., Tome 24 (1957) no. 1, pp. 591-599. http://gdmltest.u-ga.fr/item/1077467627/