Beardon, Alan F.. <br/><br/>
The Geometry of Discrete Groups /  

 - 1st ed /  
 - New York 10010 :   Springer-Verlag ,   1985 
 - p.337,xii :  
<br/><br/><label>ISBN: </label>0-387-90788-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B6  / M3