1. On matrices depending on parameters;Arnold;Russian Math. Surveys,1971
2. Analytic Perturbation Theory for Matrices and Operators;Baumgärtel,1985
3. Stable perturbations of nonsymmetric matrices;Burke;Linear Algebra Appl.,1992
4. Lectures on Finite Precision Computations;Chaitin-Chatelin,1996
5. A. Edelman, E. Elmroth, and B. Kgström, A geometric approach to perturbation theory of matrices and pencils: Part 2: Stratifications, SIAM J. Math. Anal Appl., to appear.