@misc{indiciaec464482ac8be,
  title = {Extended Hubbard model at strong coupling.},
  author = {van Dongen PG},
  year = {1994},
  doi = {10.1103/physrevb.49.7904},
  url = {https://pubmed.ncbi.nlm.nih.gov/10009552/},
  note = {Source identifier: 10009552}
}