Cohn H. <br/><br/>
Conformal mappings on Riemann surfaces. 
Cohn H. 
 - New York a.o.  McGraw-Hill Book Co.  1967 
 - 339 p. 
<br/><br/> International Series in Pure and Applied Mathematics 
<br/><br/><label>Dewey Class. No.: </label>517.54