ReferencesPyykkö, P., Chemical Reviews 88 (1988) 563
A New Dimension to Quantum Chemistry. Analytical Derivative Methods in Ab Initio Molecular Electronic Structure Theory, Y. Yamaguchi, Y. Osamura, and H. F. Schaefer III, Oxford, Oxford University Press, 1994
Simons, J., Journal of Physical Chemistry 95 (1991) 1017
Hohenberg, P. and Kohn, W., Phys. Rev. B 136 (1964) 864
Further readingAb Initio Molecular Orbital Calculations for Chemists, W. G. Richards and D. L. Cooper, Oxford, Oxford University Press, 1985
A Computational Approach to Chemistry. D. M. Hirst, Oxford, Blackwell Scientific, 1990
Modern Quantum Chemistry: Introduction to Advanced Electronic Structure Theory, A. Szabo and N. S. Ostlund, New York, Dover Publications, 1996
Quantum Chemistry, 5th edn., I. N. Levine, New Jersey, Prentice Hall, 1999
Quantum Chemistry: Fundamentals to Applications, T. Veszpremi and M. Feher, Dordrecht, Kluwer, 1999
Essentials of Computational Chemistry, C. J. Cramer, Chichester, Wiley, 2002
Computational Molecular Spectroscopy, P. Jensen and P. R. Bunker (eds.), Chichester, Wiley, 2000