Hopcroft, John E., <br/><br/>
Introduction to automata theory, languages, and computation / 
John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. 
 - 3rd ed. 
 -  c2008. 
 - xvi, 487 p. :  ill. ;  25 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788131720479 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Formal languages.<br/>Computational complexity.
<br/><br/><label>Dewey Class. No.: </label>511.3 H77 In,3