1. Stability of Conjugate Gradient and Lanczos methods for linear least squares problems;Bjorck;SIAM J. Matrix Anal. Appl.,1998
2. Estimation of the L-curve via Lanczos bidiagonalization;Calvetti;BIT,1999
3. D. Calvetti, P.C. Hansen, L. Reichel, L-curve curvature bounds via Lanczos bidiagonalization, Report IMM-2001-5, Technical University of Denmark, May 2001
4. Regularization of Inverse Problems;Engl,1996
5. Matrix Computations;Golub,1996