@article{01757104,
title = {A bound for the spectral variation of two matrices.},
journal = {Applied Mathematics E-Notes [electronic only]},
volume = {2},
year = {2002},
pages = {72-77},
zbl = {0998.15024},
language = {en},
url = {http://dml.mathdoc.fr/item/01757104}
}
Gil, Michael I. A bound for the spectral variation of two matrices.. Applied Mathematics E-Notes [electronic only], Tome 2 (2002) pp. 72-77. http://gdmltest.u-ga.fr/item/01757104/