@article{Alekhin:2019v0,
  author = "Alekhin, Sergey  and  Blümlein, Johannes  and  Moch, Sven Olaf",
  title = "{$a_S$, ABM PDFs, and heavy-quark masses}",
  doi = "10.22323/1.365.0016",
  journal = "PoS",
  year = 2019,
  volume = "ALPHAS2019",
  pages = "016"
}