@article{afullysingleloopalgorithmforbilevel,
  title = {A Fully Single Loop Algorithm for Bilevel Optimization without Hessian Inverse},
  author = {Junyi Li and Bin Gu and Heng Huang},
  year = {2021},
  eprint = {2112.04660},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.04660v2},
}