@misc{indiciaef9c0608887f3,
  title = {Effective field equations for expectation values.},
  author = {RD Jordan},
  year = {1986},
  doi = {10.1103/physrevd.33.444},
  url = {https://pubmed.ncbi.nlm.nih.gov/9956639/},
  note = {Source identifier: 9956639}
}