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Astrophysics and Space Science

, Volume 96, Issue 1, pp 227–229 | Cite as

On the existence of an entropy-like quantity

  • E. A. Evangelidis
  • J. D. Neethling
Letters to the Editor

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References

  1. Benettin, G., Galgani, L., and Strelcyn, J. M.: 1976,Phys. Rev. A14, 2338.Google Scholar
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  5. Liapunoff, A.: 1907,Annales de les Faculté des Sciences de Toulouse, Second Series, Vol. 9, p. 27.Google Scholar
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  8. Whittaker, E. T.: 1961,A Treatise on the Analytical Dynamics of Particles and Rigid Bodies Cambridge University Press, p. 154.Google Scholar

Copyright information

© D. Reidel Publishing Company 1983

Authors and Affiliations

  • E. A. Evangelidis
    • 1
  • J. D. Neethling
    • 1
  1. 1.Nuclear Development CorporationPelindabaSouth Africa

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