@inproceedings{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", booktitle = "Proceedings of alphas-2019: Workshop on precision measurements of the QCD coupling constant {\textemdash} PoS(ALPHAS2019)", year = 2019, volume = "365", pages = "016" }