@misc{indiciae06cf2364e7a2,
  title = {Path-integral approach to the Hubbard model.},
  author = {ZY Weng and CS Ting and TK Lee},
  year = {1991},
  doi = {10.1103/physrevb.43.3790},
  url = {https://pubmed.ncbi.nlm.nih.gov/9997721/},
  note = {Source identifier: 9997721}
}