Tolle, Henning. <br/><br/>
Optimazation methods   
by Henning Tolle 
 - New York  Springer-Verlag  1975 
 - xiv, 226p. 
 - Universitext .
<br/><br/><label>ISBN: </label>3540071946 
<br/><br/><label>Dewey Class. No.: </label>515.3  / N75