1. E. Anderson, Z. Bai, C. Bischof, J. Demmel, J. Dongarra, J. Du Croz, A. Greenbaum, S. Hammarling, A. McKenney, S. Ostrouchov, D. Sorensen, LAPACK Users’ Guide. SIAM, Philadelphia, 1992.
2. Numerical Methods for Least Squares Problems;Björck,1996
3. A comparative study of algorithms for solving seemingly unrelated regressions models;Foschi;Comput Statist. Data Anal.,2003
4. Matrix Computations;Golub,1996
5. The Theory and Practice of Econometrics. Wiley series in Probability and Mathematical Statistics;Judge,1985