Sorensen D C Ed. <br/><br/>
Nondifferential and variational techniques in optimization. 
Sorensen D C Ed.; Wets R J-B. Ed. 
 -  1982 
<br/><br/><label>Standard No.: </label>130395 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B28931, M2