Hardy, G.H. <br/><br/>
An introduction to the theory of numbers / 
by G. H. Hardy and E. M. Wright 
 - 6th ed. 
 - Oxford :  Oxford University Press ,  c2008 
 - xxi, 621 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780199219865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory