@article{Ishizuka:2010Kg,
  author = "Ishizuka, Naruhito",
  title = "{Derivation of L\"uscher's finite size formula for $N\pi$ and $NN$ system}",
  doi = "10.22323/1.091.0119",
  journal = "PoS",
  year = 2010,
  volume = "LAT2009",
  pages = "119"
}