Ramsay, Arlan. <br/><br/>
Introduction to hyperbolic geometry/ 
Arlan Ramsay, Robert D. Richtmyer. 
 - New York:  Springer-Verlag,  c1995. 
 - xii, 287 p.:  ill.;  24 cm. 
 - Universitext. .
 - Universitext. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387943390 (acid-free) 
<br/><br/><label>LCCN: </label>94025789 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Hyperbolic.<br/>Géométrie hyperbolique.
<br/><br/><label>Dewey Class. No.: </label>516.1  / R178i