Lewis, Harry R. <br/><br/>
Elements of the Theory of Computation		 
/ by Harry R. Lewis & Christos H. Papadimitriou 
 - 2nd ed. 
 - India  Pearson  2015 
 - ix,361p. 
<br/><br/><label>ISBN: </label>9789332549890 
<br/><br/><label>Dewey Class. No.: </label>511  / LEW/E