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

 - 2nd ed 
 - Pearson Education Asia, New Delhi  c2001 
 - xiv,521 
<br/><br/><label>ISBN: </label>81 7808 347 7 
<br/><br/><label>Dewey Class. No.: </label>001.535 Hop