@misc{indiciaea9cbff238b80,
  title = {Criterion for a good variational wave function.},
  author = {C Gros},
  year = {1990},
  doi = {10.1103/physrevb.42.6835},
  url = {https://pubmed.ncbi.nlm.nih.gov/9994799/},
  note = {Source identifier: 9994799}
}