@article {17687,
	title = {An Elsner-like perturbation theorem for generalized eigenvalues},
	journal = {Linear Algebra and its Applications},
	volume = {390},
	year = {2004},
	month = {2004/10/01/},
	pages = {1 - 5},
	abstract = {In 1985 Elsner established a general bound on the distance between an eigenvalue of a matrix and the closest eigenvalue of a perturbation of that matrix. In this note, we show that a similar result holds for the generalized eigenvalue problem.},
	keywords = {eigenvalue, Elsner{\textquoteright}s theorem, Generalized eigenvalue, Perturbation theory},
	isbn = {0024-3795},
	doi = {10.1016/j.laa.2004.05.006},
	url = {http://www.sciencedirect.com/science/article/pii/S0024379504002459},
	author = {Stewart, G.W.}
}
