@misc{indiciaefe6d415d0dd9,
  title = {Comment on "Saddle-point variational method for the Dirac equation."},
  author = {BD Keister},
  year = {1986},
  doi = {10.1103/physrevlett.57.917},
  url = {https://pubmed.ncbi.nlm.nih.gov/10034194/},
  note = {Source identifier: 10034194}
}