@misc{lara2021completions,
  title={UV completions, fixing the equations and nonlinearities in $k$-essence},
  author={Guillermo Lara and Miguel Bezares and Enrico Barausse},
  year={2021},
  eprint={2112.09186},
  archivePrefix={arXiv},
  primaryClass={gr-qc},
  url={https://arxiv.org/abs/2112.09186}
}