Beightler, Charles S.; Phillips, Don & Wilde, Douglass J. <br/><br/>
Foundations of optimization 

 - Second edition 
 - Prentice hall of india, New Delhi  1979 
 - xv, 487 
<br/><br/><label>ISBN: </label>0-87692-215-9 
<br/><br/><label>Dewey Class. No.: </label>519.7 Bei