@misc{indiciae85515bd5ad1d,
  title = {Spin-correlation function in the two-dimensional XY model.},
  author = {SW Heinekamp and RA Pelcovits},
  year = {1985},
  doi = {10.1103/physrevb.32.4528},
  url = {https://pubmed.ncbi.nlm.nih.gov/9937633/},
  note = {Source identifier: 9937633}
}