Eilenberg, S <br/><br/>
Automata, languages & machines, volume A 
S. Eilenberg 
 - New York  Academic Press  1974 
 - xvi  451 
 - Pure & applied mathematic .
<br/><br/><label>ISBN: </label>0122340019 
<br/><br/><label>Dewey Class. No.: </label>18  / EILE