@article{05548823,
title = {On rank subtractivity between normal matrices.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {9},
year = {2008},
zbl = {1166.15012},
language = {en},
url = {http://dml.mathdoc.fr/item/05548823}
}
Merikoski, Jorma K.; Liu, Xiaoji. On rank subtractivity between normal matrices.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 9 (2008) . http://gdmltest.u-ga.fr/item/05548823/