@inproceedings{Boels:2018BS,
  author = "Boels, Rutger  and  Huber, Tobias  and  Yang, Gang",
  title = "{The nonplanar cusp and collinear anomalous dimension at four loops in ${\mathcal N} = 4$ SYM theory }",
  doi = "10.22323/1.290.0042",
  booktitle = "Proceedings of 13th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology) {\textemdash} PoS(RADCOR2017)",
  year = 2018,
  volume = "290",
  pages = "042"
}