To cite abess in publications use:

Zhu J, Wen C, Zhu J, Zhang H, Wang X (2020). “A polynomial algorithm for best-subset selection problem.” Proceedings of the National Academy of Sciences, 117(52), 33117–33123. https://www.pnas.org/doi/10.1073/pnas.2014241117.

Zhu J, Hu L, Huang J, Jiang K, Zhang Y, Lin S, Zhu J, Wang X (2021). “abess: A Fast Best Subset Selection Library in Python and R.” arXiv:2110.09697.

Zhang Y, Zhu J, Zhu J, Wang X (2021). “A Splicing Approach to Best Subset of Groups Selection.” arXiv:2104.12576.

Corresponding BibTeX entries:

  @Article{,
    title = {A polynomial algorithm for best-subset selection problem},
    author = {Junxian Zhu and Canhong Wen and Jin Zhu and Heping Zhang
      and Xueqin Wang},
    journal = {Proceedings of the National Academy of Sciences},
    year = {2020},
    volume = {117},
    number = {52},
    pages = {33117--33123},
    url = {https://www.pnas.org/doi/10.1073/pnas.2014241117},
  }

  @Article{,
    title = {abess: A Fast Best Subset Selection Library in Python and
      R},
    author = {Jin Zhu and Liyuan Hu and Junhao Huang and Kangkang Jiang
      and Yanhang Zhang and Shiyun Lin and Junxian Zhu and Xueqin
      Wang},
    journal = {arXiv:2110.09697},
    year = {2021},
  }

  @Article{,
    title = {A Splicing Approach to Best Subset of Groups Selection},
    author = {Yanhang Zhang and Junxian Zhu and Jin Zhu and Xueqin
      Wang},
    journal = {arXiv:2104.12576},
    year = {2021},
  }