Courant, Richard, <br/><br/>
Dirichlet's principle, conformal mapping, and minimal surfaces / 
Richard Courant ; with an appendix by M. Schiffer. 
 - New York :  Interscience Publishers,  1950. 
 - xiii, 330 p. : 
<br/><br/><label>ISBN: </label>3540902465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surfaces, Representation of.
<br/><br/><label>Dewey Class. No.: </label>516.36  / Di