@article{Ditsche:2013/m,
  author = "Ditsche, Christoph  and  Hoferichter, Martin  and  Kubis, Bastian  and  Meißner, Ulf-Gerrit",
  title = "{Roy-Steiner equations for pion-nucleon scattering}",
  doi = "10.22323/1.172.0064",
  journal = "PoS",
  year = 2013,
  volume = "CD12",
  pages = "064"
}