@article{solutionandfitnessevolutionsafe,
  title = {Solution and Fitness Evolution (SAFE): Coevolving Solutions and Their Objective Functions},
  author = {Moshe Sipper and Jason H. Moore and Ryan J. Urbanowicz},
  year = {2022},
  eprint = {2206.12707},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2206.12707v1},
}