Sipser, Michael <br/><br/>
Introduction to the theory of computation  

 - 3rd ed. 
 - Melbourne   Cengage,  2013. 
 - xxii, 458 p. 
<br/><br/><label>ISBN: </label>9780357670583 0357670582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory<br/>Computational complexity
<br/><br/><label>Dewey Class. No.: </label>511.35