Courant, R <br/><br/>
Dirichlet's principle, conformal mapping & minimal surfaces 
R. Courant 
 - New York  Springer  1950 
 - xi  332 
<br/><br/><label>ISBN: </label>3540902465 
<br/><br/><label>Dewey Class. No.: </label>4.10+4.13  / COUR