@misc{indiciaef83ab507c1f9, title = {Low-temperature thermodynamic study of the XY model using a self-consistent harmonic approximation.}, author = {AS Pires}, year = {1996}, doi = {10.1103/physrevb.53.235}, url = {https://pubmed.ncbi.nlm.nih.gov/9981969/}, note = {Source identifier: 9981969} }