@misc{indiciae3f63693683da,
  title = {The axion mass from 5D small instantons},
  author = {Gherghetta, Tony and Khoze, Valentin V. and Pomarol, Alex and Shirman, Yuri},
  year = {2020},
  doi = {10.1007/jhep03(2020)063},
  url = {https://www.osti.gov/biblio/1802269},
  note = {Source identifier: 1802269}
}