Calculus of variations and partial differential equations   
ed. by G. Buttazzo, A. Marino and M.K.V. Murthy 
 - Berlin  Springer-Verlag  2000 
 - viii, 347p. 
<br/><br/><label>ISBN: </label>3540648038 
<br/><br/><label>Dewey Class. No.: </label>515.64  / P4