@misc{indiciae70e289132948,
  title = {Approximations for double-beta-decay formulas.},
  author = {M Doi and T Kotani and E Takasugi},
  year = {1988},
  doi = {10.1103/physrevc.37.2104},
  url = {https://pubmed.ncbi.nlm.nih.gov/9954677/},
  note = {Source identifier: 9954677}
}