MISHRA,K.L.P. <br/><br/>
Theory of computer science : automata, languages and computation 

 - 3rd 
 - New Delhi  PHI  2007 
 - xiii,422 p. 
<br/><br/><label>ISBN: </label>9788120329683 
<br/><br/><label>Dewey Class. No.: </label>004.1