Boolos, George <br/><br/>
Computability and logic / 
by George Boolos and Richard Jeffrey 
 - University Press : Cambridge Eng,  1974 
 - x, 262 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>052120402X 
<br/><br/><label>LCCN: </label>73-090811 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computable functions<br/>Recursive functions<br/>Logic, Symbolic and mathematical