@misc{indiciae9dc72d59a3a0,
  title = {Density-matrix electronic-structure method with linear system-size scaling.},
  author = {X Li and RW Nunes and D Vanderbilt},
  year = {1993},
  doi = {10.1103/physrevb.47.10891},
  url = {https://pubmed.ncbi.nlm.nih.gov/10005210/},
  note = {Source identifier: 10005210}
}