Lewis, Harry R. <br/><br/>
Elements of the theory of computation / 
Harry R. Lewis and Christos H. Papadimitriou. 
 - 2nd ed. 
 - New Delhi:  Prentice Hall of India,  2006. 
 - 361 p. :   ill. ;   25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8120322332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory. <br/>Formal languages.<br/> Computational complexity.
<br/><br/><label>Dewey Class. No.: </label>004   / LEW