@misc{indiciae068e6b69de78,
  title = {Self-dual fields and causality.},
  author = {HO Girotti and M Gomes and VO Rivelles and da Silva AJ},
  year = {1989},
  doi = {10.1103/physrevd.39.3792},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959641/},
  note = {Source identifier: 9959641}
}