@article{optimalcorrelatedequilibriaingeneralsum,
  title = {Optimal Correlated Equilibria in General-Sum Extensive-Form Games: Fixed-Parameter Algorithms, Hardness, and Two-Sided Column-Generation},
  author = {Brian Zhang and Gabriele Farina and Andrea Celli and Tuomas Sandholm},
  year = {2022},
  eprint = {2203.07181},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.07181v2},
}