@misc{indiciaeb5dac4054315,
  title = {Approximation scheme for the three-particle propagator.},
  author = {A Tarantelli and LS Cederbaum},
  year = {1992},
  doi = {10.1103/physreva.46.81},
  url = {https://pubmed.ncbi.nlm.nih.gov/9907838/},
  note = {Source identifier: 9907838}
}