@article{Cho:2014jW,
  author = "Cho, Yong-Gwi",
  title = "{O($a^2$)-improved actions for heavy quarks}",
  doi = "10.22323/1.187.0255",
  journal = "PoS",
  year = 2014,
  volume = "LATTICE 2013",
  pages = "255"
}