@article{Yuasa:2009ip,
  author = "Yuasa, Fukuko",
  title = "{Precise Numerical Results of IR-vertex and box integration with Extrapolation Method}",
  doi = "10.22323/1.050.0087",
  journal = "PoS",
  year = 2009,
  volume = "ACAT",
  pages = "087"
}