@misc{indiciaea93b0c8c34eb,
  title = {Virtual quantum subsystems.},
  author = {P Zanardi},
  year = {2001},
  doi = {10.1103/physrevlett.87.077901},
  url = {https://pubmed.ncbi.nlm.nih.gov/11497917/},
  note = {Source identifier: 11497917}
}