Lewis Harry R Papadimitriou Christos <br/><br/>
Elements of the Theory of Computation 

 - 2nd Ed. 
 - Noida  Pearson India  2015 
 - ix,361p. 
<br/><br/><label>ISBN: </label>9789332549890 
<br/><br/><label>Dewey Class. No.: </label>005.131  / LEW/E