@misc{indiciae02bbbac16d9f,
  title = {Beta-function computation without the use of normal coordinates.},
  author = {E Guadagnini},
  year = {1988},
  doi = {10.1103/physrevd.37.2253},
  url = {https://pubmed.ncbi.nlm.nih.gov/9958930/},
  note = {Source identifier: 9958930}
}