1. S. M. Voronin, ?A theorem on the ?universality? of the Riemann zeta function,? Izv. Akad. Nauk SSSR, Ser. Mat.,39, No. 3, 475?486 (1975).
2. A. A. Karatsuba, Principles of Analytic Number Theory [in Russian], Nauka, Moscow (1983).
3. E. C. Titchmarsh, The Theory of the Riemann Zeta-Function, Clarendon Press, Oxford (1951).