@article{Namekawa:2005TO,
  author = "Namekawa, Yusuke  and  Kikukawa, Yoshio",
  title = "{Electromagnetic mass difference on the lattice }",
  doi = "10.22323/1.020.0090",
  journal = "PoS",
  year = 2005,
  volume = "LAT2005",
  pages = "090"
}