@misc{indiciae0b072460d84f,
  title = {The Feynman propagator from a single path.},
  author = {G N Ord and J A Gualtieri},
  year = {2002},
  doi = {10.1103/physrevlett.89.250403},
  url = {https://pubmed.ncbi.nlm.nih.gov/12484870/},
  note = {Source identifier: 12484870}
}