@article{Zhao:2020WG,
  author = "Zhao, Xingbo  and  Fu, Kaiyu  and  Zhao, Hengfei  and  VARY, James",
  title = "{Positronium: an illustration of nonperturbative renormalization in a basis light-front approach}",
  doi = "10.22323/1.374.0090",
  journal = "PoS",
  year = 2020,
  volume = "LC2019",
  pages = "090"
}