Ito, Masami <br/><br/>
Algebraic theory of automata and languages / 
Ito, Masami. 
 - New Jorsey:  World Scientific,  2004. 
 - x,199p.;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9810247273 
<br/><br/><label>Dewey Class. No.: </label>512 ITO