M. Arioli, M. Baboulin, and S. Gratton, A Partial Condition Number for Linear Least Squares Problems, SIAM Journal on Matrix Analysis and Applications, vol.29, issue.2, pp.413-433, 2007.
DOI : 10.1137/050643088

M. Baboulin, J. Dongarra, S. Gratton, and J. Langou, Computing the conditioning of the components of a linear least squares solution. Numerical Linear Algebra with Applications, pp.517-533, 2009.

M. Baboulin, J. Dongarra, and S. Tomov, Some issues in dense linear algebra for multicore and special purpose architectures, 9th International Workshop on State-of-the-Art in Scientific and Parallel Computing (PARA'08), volume 6126-6127 of Lecture Notes in Computer Science, 2008.

M. Baboulin, L. Giraud, S. Gratton, and J. Langou, Parallel tools for solving incremental dense least squares problems: application to space geodesy, Journal of Algorithms & Computational Technology, vol.31, issue.1, pp.177-133, 2009.
DOI : 10.1260/174830109787186541

M. Baboulin, S. Gratton, R. Lacroix, and A. J. Laub, Statistical Estimates for the Conditioning of Linear Least Squares Problems, Proceedings of 10th International Conference on Parallel Processing and Applied Mathematics, p.2013, 2013.
DOI : 10.1007/978-3-642-55224-3_13
URL : https://hal.archives-ouvertes.fr/hal-00991710

Å. Björck, Numerical Methods for Least Squares Problems, SIAM, 1996.
DOI : 10.1137/1.9781611971484

C. S. Kenney, A. J. Laub, and M. S. Reese, Statistical Condition Estimation for Linear Least Squares, SIAM Journal on Matrix Analysis and Applications, vol.19, issue.4, pp.906-923, 1998.
DOI : 10.1137/S0895479895291935

C. C. Paige and M. A. Saunders, LSQR: An Algorithm for Sparse Linear Equations and Sparse Least Squares, ACM Transactions on Mathematical Software, vol.8, issue.1, pp.43-71, 1982.
DOI : 10.1145/355984.355989

S. Tomov, J. Dongarra, and M. Baboulin, Towards dense linear algebra for hybrid GPU accelerated manycore systems, Parallel Computing, vol.36, issue.5-6, pp.232-240, 2010.
DOI : 10.1016/j.parco.2009.12.005

M. Zelen, Linear estimation and related topics, Survey of numerical analysis, pp.558-584, 1962.