Hardy, G. H.  1877-1947. <br/><br/>
An introduction to the theory of numbers / 
by G.H. Hardy and E.M. Wright. 
 - 5th ed. 
 - Oxford :  Clarendon Press,  1981 
 - xvi, 426 p. :  ill. ;  24cm. 
<br/><br/>Includes Bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>Dewey Class. No.: </label>512.7  / HAI 1981