@misc{indiciaeccb7eeb3ec92,
  title = {Finite-temperature Feynman propagator in operator form.},
  author = {HA Weldon},
  year = {1996},
  doi = {10.1103/physrevd.53.7265},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020016/},
  note = {Source identifier: 10020016}
}