Kelly, Paul Joseph. <br/><br/>
The non-Euclidean hyperbolic plane:  its structure and consistency/ 
Paul Kelly, Gordon Matthews. 
 - New York:  Springer-Verlag,  c1981. 
 - xiii, 333 p.:  ill.;  24 cm. 
 - Universitext. .
 - Universitext. .
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>81001389 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Géométrie hyperbolique.<br/>Geometry, Hyperbolic.
<br/><br/><label>Dewey Class. No.: </label>516.1  / K29n