Smorynski Craig <br/><br/>
Logical Number Theory I An Introduction 
/ by Craig Smorynski 
 - New York  Springer Verlag  1991 
 - 405p. 
<br/><br/><label>ISBN: </label>3540522360 
<br/><br/><label>Dewey Class. No.: </label>512.7  / SMO/L