@article{stochastictheoryoftwospeciescooperation,
  title = {Fixation and Fluctuations in Two-Species Cooperation},
  author = {Jordi Piñero and S. Redner and Ricard Solé},
  year = {2021},
  eprint = {2103.10976},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.10976v3},
}