COURANT.R <br/><br/>
DIRICHLET'S PRINCIPLES CONFORMAL MAPPING AND MINIMAL SURFACES 

 -  INTERSCIENCE, NEW YORK  1950 
 - 23X15 
 - PURE AND APPLIED MATHEMATICS SERIES OF TEXT AND MONOGRAPHS .
<br/><br/><label>Dewey Class. No.: </label>517.8 C858