Here are some useful references

  1. Books
    • R. G. Parr and W. Yang, Density-Functional Theory of Atoms and Molecules, Oxford University Press (1994) ISBN: 0195092767
    • Richard M. Martin, Electronic Structure: Basic Theory and Practical Methods, Cambridge University Press (2004) ISBN: 0521782856
  2. Foundational papers
  3. Mermin finite temperature and ensemble density functional theory
  4. Levy&Lieb constrained search over density or density matrices
  5. Energy discontinuities at integer electron numbers
  6. Janak construction
  7. Self-interaction correction
    • J. P. Perdew and A. Zunger, "Self-interaction correction to density-functional approximations for many-electron systems", Phys. Rev. B 23, 5048 (1981).
  8. Properties of the exact exchange-correlation energy
    • J. Harris, "Adiabatic-connection approach to Kohn-Sham theory", Phys. Rev. A 29, 1648 (1984).
    • M. Levy and J. P. Perdew, "Hellmann-Feynman, virial, and scaling requisites for the exact universal density functionals. Shape of the correlation potential and diamagnetic susceptibility for atoms ", Phys. Rev. A 32, 2010 (1985).