Hopcroft John E.  <br/><br/>
Introduction to automata theory , languages , and computation 

 - 3th edition. 
 - New Delhi :   Pearson   2012. 
 - 487.  
<br/><br/><label>ISBN: </label>978-81-317-2047-9  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>005.13  / HOP