An introduction to the theory of numbers / by G.H. Hardy and E.M. Wright. Hardy, G. H. (Godfrey Harold), 1877-1947. Wright, Edward Maitland, 1906- Number theory. 512 20 HAI Includes index. Bibliography: p.[415]-416. Oxford : Clarendon Press, 1954. 1954. 1954 Text xvi, 419 p. : eng