@misc{masferrando2023birth,
  title={Birth of baby universes from gravitational collapse in a modified-gravity scenario},
  author={Andreu Masó-Ferrando and Nicolas Sanchis-Gual and José A. Font and Gonzalo J. Olmo},
  year={2023},
  eprint={2304.12018},
  archivePrefix={arXiv},
  primaryClass={gr-qc},
  doi={10.1088/1475-7516/2023/06/028},
  url={https://arxiv.org/abs/2304.12018}
}