@misc{indiciae9067ebd772f3,
  title = {Universal relationship between a quantum phase transition and instability points of classical systems.},
  author = {W D Heiss and M Müller},
  year = {2002},
  doi = {10.1103/physreve.66.016217},
  url = {https://pubmed.ncbi.nlm.nih.gov/12241471/},
  note = {Source identifier: 12241471}
}