1. An iteration for the solution of the eigenvalue problem of linear differential and integral operators;Lanczos;J. Res. Nat. Bureau Stand.,1950
2. Linear transformations in Hilbert space and its applications in analysis;Stone,1932
3. The computation of eigenvalues and eigenvectors of very large matrices;Paige,1971
4. Computational variants of the Lanczos method for the eigenproblem;Paige;Mathem. Comp.,1972
5. The algebraic eigenvalue problem;Wilkinson,1965