@article{anyequationisaforestsymbolicgenetic,
  title = {Any equation is a forest: Symbolic genetic algorithm for discovering open-form partial differential equations (SGA-PDE)},
  author = {Yuntian Chen and Yingtao Luo and Qiang Liu and Hao Xu and Dongxiao Zhang},
  year = {2021},
  eprint = {2106.11927},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.11927v1},
}