@misc{indiciaec7eb1977f942,
  title = {Helicity modulus in the two-dimensional Hubbard model.},
  author = {PJ Denteneer and G An and van Leeuwen JM},
  year = {1993},
  doi = {10.1103/physrevb.47.6256},
  url = {https://pubmed.ncbi.nlm.nih.gov/10004589/},
  note = {Source identifier: 10004589}
}