@misc{indiciae37acd990f970,
  title = {Operator approach in the linearized augmented-plane-wave method: Efficient electronic-structure calculations including forces.},
  author = {S Goedecker and K Maschke},
  year = {1992},
  doi = {10.1103/physrevb.45.1597},
  url = {https://pubmed.ncbi.nlm.nih.gov/10001657/},
  note = {Source identifier: 10001657}
}