Numerical methods for constrained optimization   
ed. by P.E.Gill, W.Murray 
 - London  Academic Press  1974 
 - xiv, 283p. 
<br/><br/><label>ISBN: </label>0122835506 
<br/><br/><label>LCCN: </label>74-18502 
<br/><br/><label>Dewey Class. No.: </label>515  / N74;1