@misc{indiciae8cd4aaf62c5c,
  title = {Quantum diffusion computations of two-electron ground-state energies.},
  author = {CE Beckmann and JM Feagin},
  year = {1987},
  doi = {10.1103/physreva.36.4531},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899421/},
  note = {Source identifier: 9899421}
}