Encyclopedia of Mathematics and its applications <br/><br/>
Algebraic combinatorics on words  / 

 - Cambridge:  Cambridge University Press,  2002 
 - xiii, 504p. Bibl. Index. 
 - Encyclopedia of Mathematics and its applications   V. 90 .
<br/><br/><label>ISBN: </label>0521812208 
<br/><br/><label>Dewey Class. No.: </label>510.3  / En56.90