Lewis, Harry R. <br/><br/>
Elements of the theory of computation / 
by Harry R. Lewis. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1981. 
 - xiv, 466 p. 
 - Prentice-Hall Software Series. .
<br/><br/><label>ISBN: </label>0132734176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Machine theory.<br/>Formal languages.<br/>Computational complexity.<br/>Logic, Symbolic and mathematical.