@misc{indiciae118719b33274,
  title = {Effective vortex interaction in the two-dimensional XY model.},
  author = {P Olsson},
  year = {1992},
  doi = {10.1103/physrevb.46.14598},
  url = {https://pubmed.ncbi.nlm.nih.gov/10003564/},
  note = {Source identifier: 10003564}
}