@article{aconstrainedoptimizationapproachto,
  title = {A Primal-Dual Approach to Bilevel Optimization with Multiple Inner Minima},
  author = {Daouda Sow and Kaiyi Ji and Ziwei Guan and Yingbin Liang},
  year = {2022},
  eprint = {2203.01123},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.01123v2},
}