Roberts, Eric S. <br/><br/>
Thinking recursively / 
Eric Roberts. 
 - New York :  Wiley,  c1986. 
 - x, 179 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references : p. 175-176. 
<br/><br/><label>ISBN: </label>0471816523 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recursion theory.