Ewing, George <br/><br/>
Calculus of variations with applications 

 - New York  Dover Publications.Inc.,  1985 
 - vii,343p.  23cm.PB 
<br/><br/><label>ISBN: </label>0486648567 
<br/><br/><label>Dewey Class. No.: </label>515.64  / EWI