@misc{indiciae16fdbd1a053f,
  title = {Essentially perturbative quantities in the Kondo model.},
  author = {A Berkovich and JH Lowenstein},
  year = {1985},
  doi = {10.1103/physrevb.32.7263},
  url = {https://pubmed.ncbi.nlm.nih.gov/9936868/},
  note = {Source identifier: 9936868}
}