Références bibliographiques
A. Bjorck, Numerical methods for least squares problems, SIAM, 1996.
F. Chatelin, Eigenvalues of matrices, Wiley, 1993
J. J. Dongarra, I. S. Duff, D. C.Sorensen and H. van der Vorst, Numerical Linear Algebra for High-Performance Computers, SIAM, 1998
I. S. Duff, A. Erisman and J. K. Reid, Direct Methods for Sparse Matrices, Clarendon Press, Oxford, 1986.