Mathematics of nonlinear programming  
Peressini, Anthony L. 
 - New York :  Springer-Verlag,  1988 
 - x, 273 p. :  66 ill. ;  25 cm. 
 - Undergraduate texts in mathematics .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387966145 :