Lewis, Harry R and Papadimitriou, Christos H <br/><br/>
Elements of the theory of computation. 

 - New Delhi     Prentice-Hall of India  2001 
 - 466p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations Research
<br/><br/><label>Dewey Class. No.: </label>003.54 LEW