@misc{indiciae829670e678cf,
  title = {The semiclassical helium atom.},
  author = {D. Wintgen and K. Richter and G. Tanner},
  year = {1992},
  doi = {10.1063/1.165920},
  url = {https://pubmed.ncbi.nlm.nih.gov/12779947/},
  note = {Source identifier: 12779947}
}