Ghost free massive gravity in the Stückelberg language

@article{Rham2012GhostFM,
  title={Ghost free massive gravity in the St{\"u}ckelberg language},
  author={Claudia de Rham and Gregory Gabadadze and Andrew J. Tolley},
  journal={Physics Letters B},
  year={2012},
  volume={711},
  pages={190-195}
}

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