Sipser, Michael. <br/><br/>
Introduction to the theory of computation / 
Michael Sipser. 
 - xvii, 437 p. ;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-619-21764-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Computational complexity.