@misc{indiciae9caea8a02f37,
  title = {Consistent factor ordering of constraints may be ambiguous.},
  author = {KV Kucha},
  year = {1987},
  doi = {10.1103/physrevd.35.596},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957694/},
  note = {Source identifier: 9957694}
}