1. Fast cholesky factorization for interior point methods of linear programming;Mészáros;Comput Math Appl,1996
2. Mészáros Cs The efficient implementation of interior point methods for linear programming and their applications [PhD thesis] 1996
3. Ellison EFD Hajian M Jones H et al FortMP manual 2008
4. Optimalon Software GIPALS32 http://www.optimalon.com/product_gipals32.htm