1. Methodes de Résolution de Problémes Mal Posés;Tikhonov,1974
2. Lectures on Chauchy's Problem in Linear Partial Differential Equations;Hadamard,1923
3. Ill-Posed Problem in the Natural Sciences;Tikhonov,1987
4. Matrix Computations;Golub,1989
5. Rank-Deficient and Discrete Ill-Posed Problems;Hansen,1998