1. S. Raines, Many-Electron Theory, North-Holland Publ. Co., Amsterdam-London (1972).
2. See, for instance, A. L. Fetter and J. D. Walecka, Quantum Theory ofMany-Particle Systems, McGraw-Hill Book Co., New York (1971)
3. C. Mavroyannis, in: Physical Chemistry, An Advanced Treatise (D. Henderson, ed.), Vol. XIA (Mathematical Methods) p. 488, Academic Press, New York-San Francisco-London (1975).
4. S. Suhai, J. Kasper, and J. Ladik, Int. J. Quantum Chem. 17, 995 (1980).
5. R. C. Dingham, M. J. S. Dewar, and D. H. Lo, J. Am. Chem. Soc.
97, 1285 (1975).