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. doi:10.1073/pnas.2014241117.

Zhu J, Wang X, Hu L, Huang J, Jiang K, Zhang Y, Lin S, Zhu J (2022). “abess: A Fast Best Subset Selection Library in Python and R.” Journal of Machine Learning Research, 23(202), 1–7. https://www.jmlr.org/papers/v23/21-1060.html.

Zhang Y, Zhu J, Zhu J, Wang X (2023). “A Splicing Approach to Best Subset of Groups Selection.” INFORMS Journal on Computing, 35(1), 104–119. doi:10.1287/ijoc.2022.1241.

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},
    doi = {10.1073/pnas.2014241117},
  }

  @Article{,
    title = {abess: A Fast Best Subset Selection Library in Python and
      R},
    author = {Jin Zhu and Xueqin Wang and Liyuan Hu and Junhao Huang
      and Kangkang Jiang and Yanhang Zhang and Shiyun Lin and Junxian
      Zhu},
    journal = {Journal of Machine Learning Research},
    year = {2022},
    volume = {23},
    number = {202},
    pages = {1--7},
    url = {https://www.jmlr.org/papers/v23/21-1060.html},
  }

  @Article{,
    title = {A Splicing Approach to Best Subset of Groups Selection},
    author = {Yanhang Zhang and Junxian Zhu and Jin Zhu and Xueqin
      Wang},
    journal = {INFORMS Journal on Computing},
    year = {2023},
    volume = {35},
    number = {1},
    pages = {104--119},
    doi = {10.1287/ijoc.2022.1241},
  }