@misc{indiciaed25339497f51,
  title = {Rigorous solution of the quantum Einstein equations.},
  author = {R Gambini and J Pullin},
  year = {1996},
  doi = {10.1103/physrevd.54.r5935},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020668/},
  note = {Source identifier: 10020668}
}