1. Computing accurate eigensystems of scaled diagonally dominant matrices;Barlow;SIAM J. Numer. Anal.,1990
2. J.L. Barlow, I. Slapničar, Optimal perturbation bounds for the Hermitian eigenvalue problem, Technical report, The Pennsylvania State University, 1999
3. S.L. Campbell Jr., C.D. Meyer, Generalized Inverses of Linear Transformations, Pitman, London, 1979. Reprint by Dover, New York, 1991
4. The rotation of eigenvectors by a perturbation III;Davis;SIAMJ.Num.Anal.,1970
5. Jacobi's method is more accurate than QR;Demmel;SIAM J. Matrix Anal. Appl.,1992