@article{symbolicregressionisnphard,
  title = {Symbolic Regression is NP-hard},
  author = {Marco Virgolin and Solon P. Pissis},
  year = {2022},
  eprint = {2207.01018},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.01018v3},
}