@misc{indiciaeb32bec5fefaf,
  title = {Quantum states with Einstein-Podolsky-Rosen correlations admitting a hidden-variable model.},
  author = {RF Werner},
  year = {1989},
  doi = {10.1103/physreva.40.4277},
  url = {https://pubmed.ncbi.nlm.nih.gov/9902666/},
  note = {Source identifier: 9902666}
}