Coxeter, H. S. M. <br/><br/>
Generators and relations for discrete groups  / 

 - 4th 
 - Berlin:  Springer-Verlag,  1980 
 - ix, 169p. Index. Bibl. 
 - Ergebnisse der Mathematik und ihrer Grenzgebiete - a series of modern surveys in Mathematics ; 14 .
<br/><br/><label>ISBN: </label>3540092129 
<br/><br/><label>Dewey Class. No.: </label>512  / C879.GR