Kelly, Paul <br/><br/>
The non-euclidean hyperbolic plane  : it structure and consistency 
Paul Kelly and Gordon Matthews 
 - New York:  Springer-Verlag,  1981 
 -  xii, 333p. 
<br/><br/> Includes bibliography and index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0387905529 3540905529 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Hyperbolic
<br/><br/><label>Dewey Class. No.: </label>516.9  / KEN