@article{Ruijl:2018l6,
  author = "Ruijl, Ben  and  Herzog, Franz  and  Ueda, Takahiro  and  Vermaseren, Jos A. M.  and  Vogt, Andreas",
  title = "{The R ∗ -operation and five-loop calculations}",
  doi = "10.22323/1.290.0011",
  journal = "PoS",
  year = 2018,
  volume = "RADCOR2017",
  pages = "011"
}