Hopcroft,John E, <br/><br/>
Introduction to automata theory,languages, and computation 
by John E. Hopcroft, Rajeev Motwani and Jeffrey D.Ullman 
 - 3rd ed. 
 - Uttar Pradesh  Pearson Education Limited  2008 
 - xvi, 487p. 
<br/><br/><label>ISBN: </label>9788131720479 
<br/><br/><label>Dewey Class. No.: </label>BV  / P8