Hardy, G. H. <br/><br/>
Introduction to the theory of numbers / 

 - 6th 
 - Oxford:  Oxford University Press,  2008 
 - xxi, 621p. Bibl. Index. 
<br/><br/><label>ISBN: </label>9780199219865 
<br/><br/><label>Dewey Class. No.: </label>512.7  / H269.IT