@misc{indiciaee3ac040ff190,
  title = {Density matrix formulation for quantum renormalization groups.},
  author = {SR White},
  year = {1992},
  doi = {10.1103/physrevlett.69.2863},
  url = {https://pubmed.ncbi.nlm.nih.gov/10046608/},
  note = {Source identifier: 10046608}
}