Coxeter, H.S.M. <br/><br/>
Non-euclidean geometry 

 - 6th ed. 
 - America  The Mathematical Association of America  1998 
 - xviii,336 p. 
 - Spectrum series .
<br/><br/><label>ISBN: </label>0883855224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOMETRY<br/>NON-EUCLIDEAN
<br/><br/><label>Dewey Class. No.: </label>516.9  / COX