@inproceedings{Yu:2012FK,
  author = "Yu, Jianglei",
  title = "{Long distance contribution to K_{L} K_{S} mass difference}",
  doi = "10.22323/1.139.0297",
  booktitle = "Proceedings of XXIX International Symposium on Lattice Field Theory  {\textemdash} PoS(Lattice 2011)",
  year = 2012,
  volume = "139",
  pages = "297"
}