@inproceedings{hierarchicallyregularizedentropybalancin,
  title = {Hierarchically Regularized Entropy Balancing},
  author = {Yiqing Xu},
  year = {2022},
  booktitle = {ACM 2022 6},
  url = {https://www.cambridge.org/core/journals/political-analysis/article/abs/hierarchically-regularized-entropy-balancing/7DF29028EABE0B2465D1E1FF35F13DDB},
}