We ask users to provide proof(s), reference(s) to proof(s), or further clarification on the proof(s) in this space.
: Hurwitz zeta function : http://dlmf.nist.gov/25.11#E1
: real part : http://dlmf.nist.gov/1.9#E2
Equation (1), Section 25.11 of DLMF.
We ask users to provide relevant URL links in this space.