@article{onlinebiddingalgorithmsforreturnonspend,
  title = {Online Bidding Algorithms for Return-on-Spend Constrained Advertisers},
  author = {Zhe Feng and Swati Padmanabhan and Di Wang},
  year = {2022},
  eprint = {2208.13713},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.13713v3},
}