@article{Risch:2019lS,
  author = "Risch, Andreas  and  Wittig, Hartmut",
  title = "{Towards leading isospin breaking effects in mesonic masses with open boundaries}",
  doi = "10.22323/1.334.0059",
  journal = "PoS",
  year = 2019,
  volume = "LATTICE2018",
  pages = "059"
}