@inproceedings{Kamata:2016Bx,
  author = "Kamata, Norihiko  and  Sasaki, Shoichi",
  title = "{Lattice gradient flow with tree-level $O(a^4)$ improvement in pure Yang-Mills theory}",
  doi = "10.22323/1.251.0301",
  booktitle = "Proceedings of The 33rd International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2015)",
  year = 2016,
  volume = "251",
  pages = "301"
}