1. Theory of Finite Fermi Systems;Migdal,1967
2. Propagators in Quantum Chemistry;Linderberg,2004
3. The residue corresponding to an electron propagator pole, Epole, is defined by Res(Epole)=limE→EpoleGpq(E)(E−Epole).
4. Methods of Quantum Field Theory in Statistical Physics;Abrikosov,1963