@misc{indiciaee6a95301893d,
  title = {Off-diagonal elements of the DeWitt expansion from the quantum-mechanical path integral.},
  author = {FA Dilkes and DG McKeon},
  year = {1996},
  doi = {10.1103/physrevd.53.4388},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020437/},
  note = {Source identifier: 10020437}
}