1. G.H. Hardy, M. Riesz, The General Theory of Dirichlet Series (Second Edition, Dover Phenix Editions, 2005)
2. H. Helson, Dirichlet Series (Regent Press, 2005)
3. E. Titchmarsh, The Theory of Functions (Clarendon Press, 1932)
4. E. Landau, Handbuch des Lehre von der Verteilung der Primzahlen, 2nd edn (Chelsea University Company, 1953)
5. G. Tenenbaum, Introduction à la théorie analytique et probabiliste des nombres (Institut Elie Cartan, 1995)