@misc{indiciae5f949ce54c1d,
  title = {Accuracy of the optimal subset approximation.},
  author = {MI Haftel and VB Mandelzweig},
  year = {1985},
  doi = {10.1103/physrevc.32.2067},
  url = {https://pubmed.ncbi.nlm.nih.gov/9953078/},
  note = {Source identifier: 9953078}
}