Bazaraa, Mokhtar <br/><br/>
Linear programming and network flows 

 - 2nd ed 
 - Newyork  John wiley & sons  1990 
 - 684p 
<br/><br/><label>ISBN: </label>0471636819 
<br/><br/><label>Dewey Class. No.: </label>519.72  / BAZ