Portions of LINDO Systems' products are based on the independent work of:

E. Anderson, Z. Bai, C. Bischof, S. Blackford, J. Demmel, J. Dongarra,

J. Du Croz, A. Greenbaum, S. Hammarling, A. McKenney, and D. Sorensen. LAPACK Users' Guide. SIAM,

third edition, 1999, Philadelphia, PA, ISBN 0-89871-447-8.