Pandey, Adesh Kumar <br/><br/>
Introduction to Automata Theory and Formal Languages 

 - 5th 
 - New Delhi  S.K. Kataria & Sons  2012 
 - 363p. 
<br/><br/><label>ISBN: </label>9788189757144 
<br/><br/><label>Dewey Class. No.: </label>004.1