Martos, Bela. <br/><br/>
Nonlinear programming theory and methods   
by Bela Martos 
 - Amsterdam  North-Holland publishing company  1975 
 - 279p. 
<br/><br/><label>ISBN: </label>044410738X 
<br/><br/><label>Dewey Class. No.: </label>519.76  / N75