Beardon, Alan F. <br/><br/>
The geometry of discrete groups / 
Beardon, Alan F. 
 - New York:  Springer,  1983. 
 - xii,337p.;24cm 
 - Graduate Texts in Mathematics/no.91/ed.by S. Axler .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0387907882 
<br/><br/><label>Dewey Class. No.: </label>512.2 BEA