1. Cohen, M.H., Ganduglia-Pirovano, M.V., and Kudrnovsk, J. J., Chem. Phys., 1994, vol. 101, p. 8988.
2. Hoffmann, R., Rev. Mod. Phys., 1998, vol. 60, p. 601.
3. Lifshits, E.M. and Pitaevskii, L.P., Statisticheskaya fizika (Statistical Physics), Moscow: Nauka, 1978, part 2.
4. Kohn, W. and Mattsson, A.E., Phys. Rev. Lett., 1996, vol. 76, p. 3168.
5. Kohn, W. and Prodan, E., Proc. Natl. Acad. Sci. U. S. A., 2006, vol. 102, p. 11635.