Buttazzo, G., et al <br/><br/>
One dimensional variational problems  introduction 
G. Buttazzo, et al 
 - Oxford  Oxford University Press  1998 
 - viii  262 
 - Oxford lecture series in mathematics & its applications 15 .
<br/><br/><label>ISBN: </label>9780198504658 
<br/><br/><label>Dewey Class. No.: </label>4.13+5.04+14.11  / BUTT