Hardy, G. H. An introduction to the theory of numbers / by G.H. Hardy and E.M. Wright. - 3rd ed. / - Oxford ; New York : Oxford University Press ; 2008. - xxi, 418 p. : ill. ; 24 cm. ISBN: 9780199219858 Subjects--Topical Terms: MCENumber theory. Dewey Class. No.: 512.7 / HAR