On integrable system on S 2 with the second integral quartic in the momenta

@inproceedings{Tsiganov2004OnIS,
  title={On integrable system on S 2 with the second integral quartic in the momenta},
  author={A. V. Tsiganov},
  year={2004}
}
  • A. V. Tsiganov
  • Published 2004
We consider integrable system on the sphere S with an additional integral of fourth order in the momenta. At the special values of parameters this system coincides with the Kowalevski-Goryachev-Chaplygin system.