@article{Chen:2020bj,
  author = "Chen, Long-Bin  and  Li, Haitao  and  Shao, Huasheng  and  Wang, Jian",
  title = "{Higgs boson pair production at N$^3$LO QCD}",
  doi = "10.22323/1.390.0084",
  journal = "PoS",
  year = 2020,
  volume = "ICHEP2020",
  pages = "084"
}