@misc{indiciaee965cf76cb21,
  title = {Finite-volume variational method for the Dirac equation.},
  author = {P Hamacher and J Hinze},
  year = {1991},
  doi = {10.1103/physreva.44.1705},
  url = {https://pubmed.ncbi.nlm.nih.gov/9906138/},
  note = {Source identifier: 9906138}
}