@misc{indiciaeac1237c4534f,
  title = {Noncommuting mixed states cannot be broadcast.},
  author = {H Barnum and CM Caves and CA Fuchs and R Jozsa and B Schumacher},
  year = {1996},
  doi = {10.1103/physrevlett.76.2818},
  url = {https://pubmed.ncbi.nlm.nih.gov/10060796/},
  note = {Source identifier: 10060796}
}