IBM (1988). Mathematical Programming System Extended/370 (MPSX/370) Version 2 Program Reference Manual. Vol. SH19-6553-0. Armonk, NY: IBM.
Murtagh, B. A. (1981). Advanced Linear Programming: Computation and Practice. New York: McGraw-Hill.
Rosenbrock, H. H. (1960). “An Automatic Method for Finding the Greatest or Least Value of a Function.” Computer Journal 3:175–184.