Gass, Saul I. <br/><br/>
Linear programming.-4th ed. :  methods and applications / 
Saul I. Gass. 
 - 4th ed. 
 - New York :  McGraw-Hill,  [1975] 
 - x, 406 p. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070229686 : 
<br/><br/><label>Subjects--Index Terms: </label>Linear programming 
<br/><br/><label>Universal Decimal Class. No.: </label>519.852  / GAS