Hopcroft, Jhon E. <br/><br/>
Introduction to automata theory, languages and computation 
by John  E.Hopcroft, Rajeev Motwani, and Jeffrey D. Ullman 
 - 3rd ed.  
 - New Delhi  Pearson India  2008 
 - xvi, 487 p. : ill. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131720479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Formal languages<br/>Computational complexity.
<br/><br/><label>Dewey Class. No.: </label>511.35  / HOP/A