//-->
Economic activity analysis
Morgenstern, Oskar, (1954)
Linear programming : methods and applications
Gass, Saul I., (1964)
Linear programming : an explanation of the simplex algorithm
Greenwald, Dakota Ulrich, (1957)
Advanced linear programming computing techniques
Orchard-Hays, William, (1968)
Factoring LP Block-Angular Bases
Orchard-Hays, William, (1974)