@article{Golterman:2013vk,
  author = "Golterman, Maarten  and  Bar, Oliver",
  title = "{Two-pion excited state contribution to the axial vector and pseudo-scalar correlators}",
  doi = "10.22323/1.172.0038",
  journal = "PoS",
  year = 2013,
  volume = "CD12",
  pages = "038"
}