Cutland, Nigel. <br/><br/>
Computability :  an introduction to recursive function theory / 
Nigel Cutland. 
 - Cambridge :  Cambridge University Prss,  1980. 
 - x, 251 p. 
<br/><br/><label>ISBN: </label>0521294657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computable functions.<br/>Resursion theory.