@article{05024413,
title = {Eigenvalue condition numbers and a formula of Burke, Lewis and Overton.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {15},
year = {2006},
pages = {143-153},
zbl = {1093.15013},
language = {en},
url = {http://dml.mathdoc.fr/item/05024413}
}
Karow, Michael. Eigenvalue condition numbers and a formula of Burke, Lewis and Overton.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 15 (2006) pp. 143-153. http://gdmltest.u-ga.fr/item/05024413/