Krushkal, Samuil L. <br/><br/>
Quasiconformal Mappings and Riemann Surfaces 
/ by Samuil L. Krushkal 
 - New York:  Winston Publishing,  1979. 
<br/><br/><label>ISBN: </label>0470266953 
<br/><br/><label>Dewey Class. No.: </label>515.9  / KRU/Q