@misc{indiciae87bb8c775b4c,
  title = {Dirac's contour representation in thermofield dynamics.},
  author = {A Vourdas and RF Bishop},
  year = {1996},
  doi = {10.1103/physreva.53.r1205},
  url = {https://pubmed.ncbi.nlm.nih.gov/9913092/},
  note = {Source identifier: 9913092}
}