TY  - RPRT
TI  - Spin-correlation function in the two-dimensional XY model.
AU  - SW Heinekamp
AU  - RA Pelcovits
PY  - 1985
DO  - 10.1103/physrevb.32.4528
UR  - https://pubmed.ncbi.nlm.nih.gov/9937633/
ID  - 9937633
ER  -