Stahl,Saul <br/><br/>
Gateway to modern geometry : The poincare half plane 

 - 2nd  ed. 
 - London  Jones and Bartlett  2008 
 - viii,255p. ; 23.5 cm 
<br/><br/><label>ISBN: </label>9780763753818 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.9  / STA