@misc{indiciae08f87e6269ca,
  title = {Radial coherent states for the Coulomb problem.},
  author = {CC Gerry and J Kiefer},
  year = {1988},
  doi = {10.1103/physreva.37.665},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899708/},
  note = {Source identifier: 9899708}
}