@misc{indiciae8dc52d5dac10,
  title = {Conformal anomaly in spherical spacetimes.},
  author = {D Birmingham},
  year = {1987},
  doi = {10.1103/physrevd.36.3037},
  url = {https://pubmed.ncbi.nlm.nih.gov/9958068/},
  note = {Source identifier: 9958068}
}