@inproceedings{xu-etal-2020-unsupervised,
    title = "Unsupervised Extractive Summarization by Pre-training Hierarchical Transformers",
    author = "Xu, Shusheng  and
      Zhang, Xingxing  and
      Wu, Yi  and
      Wei, Furu  and
      Zhou, Ming",
    editor = "Cohn, Trevor  and
      He, Yulan  and
      Liu, Yang",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2020",
    month = nov,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2020.findings-emnlp.161/",
    doi = "10.18653/v1/2020.findings-emnlp.161",
    pages = "1784--1795"
}