Fenstad, Jens E <br/><br/>
General recursion theory  an axiomatic approach 
Jens E. Fenstad 
 - New York  Springer  1980 
 - VI, 223 p  25 cm 
 - Perspectives in mathematical logic .
<br/><br/> Contine bibliogr. si index 
<br/><br/><label>ISBN: </label>0387093494