Sipser, Michael. , <br/><br/>
Introduction to the theory of computation / 
Michael Sipser. 
 - 2nd ed. 
 - xv, 396 pages :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>0619217642 9780619217648 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Computational complexity.
<br/><br/><label>LC Class. No.: </label>QA267   / .S56 2006