Hopcroft, John E Motwani, Rajeev Ullman, Jeffrey D <br/><br/>
Introduction to automata theory, languages and computation 

 - 2nd ed. 
 - DELHI  Pearson Education (Singapore)  2001 
 - xiv+521 
<br/><br/><label>Dewey Class. No.: </label>001.6424  HOP  R