Stahl, Saul <br/><br/>
A gateway to modern geometry : the Poincaré half-plane 

 - 2nd ed 
 - Sudbury, MA:  Jones and Bartlett Publishers,  2008 
 - viii, 255 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9780763753818 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Non-Euclidean
<br/><br/><label>Dewey Class. No.: </label>516.9 STA