@misc{indiciae3610f1a53367,
  title = {Nonrenormalization theorem for large-Nc selection rules.},
  author = {MP Mattis},
  year = {1989},
  doi = {10.1103/physrevlett.63.1455},
  url = {https://pubmed.ncbi.nlm.nih.gov/10040577/},
  note = {Source identifier: 10040577}
}