@misc{indiciaeee87a2c8bb36,
  title = {Ghost fields in classical gauge theories.},
  author = {Wim Schoenmaker and Wim Magnus and Peter Meuris},
  year = {2002},
  doi = {10.1103/physrevlett.88.181602},
  url = {https://pubmed.ncbi.nlm.nih.gov/12005675/},
  note = {Source identifier: 12005675}
}