1. On the Number of Primes Less Than a Given Quantityhttps://www.claymath.org/sites/default/files/ezeta.pdf
2. Riemann’s Zeta Function;Edwards,1974
3. The Theory of the Riemann Zeta Function;Titchmarsh,1986
4. Multiplicative Number Theory;Davenport,2000
5. Problems of the Millennium: The Riemann Hypothesishttps://www. researchgate.net/publication/247265052_Problems_of_the_Millennium_the_Riemann_Hypothesis