@article{Alekhin:2016PO, author = "Alekhin, Sergey and Moch, Sven Olaf and Thier, Stephan", title = "{Single-top production in the $s$ -channel and the top-quark mass}", doi = "10.22323/1.265.0152", journal = "PoS", year = 2016, volume = "DIS2016", pages = "152" }