Fletcher, R <br/><br/>
Practical methods of optimization 

 - 2nd ed 
 - New York  John Wiley & Sons  1981 
 - xiv;436p 
<br/><br/><label>ISBN: </label>0-471-91547-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical optimization<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515/FLE