Linear programming : methods and applications / Saul I. Gass. Gass, Saul I. Linear programming. T57.74 .G3 2003 519.72 22 GAL Reprint. Originally published: New York : McGraw-Hill, 1985. Includes bibliographical references (p. 469-523) and index. New York : Dover Publications, 2003. 2003. 2003 Text xi, 532 p. ; http://www.loc.gov/catdir/enhancements/fy0614/2003055773-d.html eng