 The general Theory of Dirichlet's Series by G.H. Hardy and M. Riesz A classical introduction to the basics of Dirichlet series. |  The Riemann Zeta-Function, Theory and Applications by A. Ivic Contains information on Hurwitz and Lerch Zeta functions we need. |  Green's Function Estimates for Lattice Schrödinger Operators and Applications by J. Bourgain A modern source on localization of almost periodic operators | |||
 The Implicit Function Theorem, History, Theory and Applications by S.G. Krantz and H.R. Parks |  Complex Dynamics, Springer-Verlag by L. Carleson and T. W. Gamelin |