Lewis, Harry R. , <br/><br/>
Elements of the theory of computation 

 - 2nd ed. . 
 - New Delhi:  PHI,  2010. 
 - 361 p. :   ill.;   25 cm. . 
<br/><br/> Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>9788120322332 
<br/><br/><label>Dewey Class. No.: </label>511.3 LEW