@misc{indiciae105c25339073,
  title = {Three-cocycle in mathematics and physics.},
  author = {R Jackiw},
  year = {1985},
  doi = {10.1103/physrevlett.54.159},
  url = {https://pubmed.ncbi.nlm.nih.gov/10031428/},
  note = {Source identifier: 10031428}
}