@article{safeonlinebidoptimizationwithreturnon,
  title = {Safe Online Bid Optimization with Return-On-Investment and Budget Constraints subject to Uncertainty},
  author = {Matteo Castiglioni and Alessandro Nuara and Giulia Romano and Giorgio Spadaro and Francesco Trovò and Nicola Gatti},
  year = {2022},
  eprint = {2201.07139},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.07139v1},
}