Astrophysics and Space Science

, Volume 165, Issue 2, pp 343–344 | Cite as

The derivatives of theH-function

  • Tōnu Viik
Letter to the Editor

Abstract

A method to find the derivatives of theH-function is proposed.

References

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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Tōnu Viik
    • 1
  1. 1.W. Struve Tartu Astrophysical ObservatoryTöravereEstonia, U.S.S.R.

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