Boolos, George <br/><br/>
Computability and logic / 
George S. Boolos, John P. Burgess, Richard C. Jeffrey 
 - 5th ed. 
 - Cambridge ;  New York :  Cambridge University Press,  2007 
 - xiii, 350 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 341) and index 
<br/><br/><label>ISBN: </label>9780521877527 (hbk.) 0521877520 (hbk.) 9780521701464 (pbk.) 0521701465 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computable functions<br/>Recursive functions<br/>Logic, Symbolic and mathematical