@misc{indiciae41ce454eb32a,
  title = {Stability and gap phenomena for Yang-Mills fields.},
  author = {J P Bourguignon and H B Lawson and J Simons},
  year = {1979},
  doi = {10.1073/pnas.76.4.1550},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592637/},
  note = {Source identifier: 16592637}
}