Superintegrability of geodesic motion on the sausage model

@article{Arutyunov2017SuperintegrabilityOG,
  title={Superintegrability of geodesic motion on the sausage model},
  author={G. E. Arutyunov and Martin Heinze and Daniel Medina-Rincon},
  journal={Journal of Physics A},
  year={2017},
  volume={50},
  pages={244002}
}
Reduction of the eta-deformed sigma model on AdS(5) x S-5 to the two-dimensional squashed sphere (S-2)eta can be viewed as a special case of the Fateev sausage model where the coupling constant v i ... 
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