Courant R <br/><br/>
Dirichlet's principles, conformal mapping, and minimal surfaces. 
Courant R 
 -  1950 
<br/><br/><label>Standard No.: </label>17249 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B36M3, J0