Iversen, Birger <br/><br/>
Hyperbolic geometry / 
Birger Iversen 
 - Cambridge :  Cambridge University Press,  1992 
 - 298 p. :  ill. ;  24 cm. 
 - London Mathematical Society student texts ;  v.25 .
 - London Mathematical Society student texts ;  v.25 .
<br/><br/>Includes bibliographical references (p. 292-294) 
<br/><br/><label>ISBN: </label>0521435080 
<br/><br/><label>LCCN: </label>92-29634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Hyperbolic