Cutland, Nigel J. <br/><br/>
Computability :  an introduction to recursive function theory / 
Nigel Cutland. 
 - Cambridge :  Cambridge University Press,  1980. 
 - x, 251 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references : p. 239-240. 
<br/><br/><label>ISBN: </label>0521223849 (cased) 0521294657 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computable functions.<br/>Recursion theory.