1. Jane Cullum and Ralph Willoughby, A. (1985) Lanczos Algorithms for Large Symmetric Eigenvalue Computations, Volume 1, Theory, Volume 2, Programs; Progress in Scientific Computing, Volumes 3 and 4, eds. S. Abarbanel, R. Glowinski, G. Golub, P. Henrici, H.O. Kreiss, Birkhauser, Basel, January 1985.
2. The Lanczos algorithm with selective reorthogonalization.;Parlett;Math. Comp.,1979
3. A simultaneous iteration algorithm for real matrices;Stewart;ACM Trans. Math. Software,1981
4. Variations on Arnoldi's method for computing eigenelements of large unsymmetric matrices;Saad;Linear Algebra Appl.,1980
5. A look-ahead Lanczos algorithm for unsymmetric matrices.;Parlett;Math. Comp.,1985