@misc{indiciaeb1bc1aa5b4f6,
  title = {Effective action for a nonadiabatic quantum process.},
  author = {A Bulgac},
  year = {1988},
  doi = {10.1103/physreva.37.4084},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899530/},
  note = {Source identifier: 9899530}
}