Book:Murray R. Spiegel/Mathematical Handbook of Formulas and Tables/Chapter 35/Riemann Zeta Function

Riemann Zeta Function $\map \zeta x = \dfrac 1 {1^x} + \dfrac 1 {2^x} + \dfrac 1 {3^x} + \ldots$

$35.24$: Integral Representation of Riemann Zeta Function in terms of Gamma Function

$35.25$: Functional Equation for Riemann Zeta Function

$35.26$: Riemann Zeta Function at Even Integers