Phase transition in the two-dimensional classical XY model. Kim, J. Physics Letters A, 223:261, 1996.
Phase transition in the two-dimensional classical XY model [link]Paper  doi  bibtex   
@article{citeulike:3752315,
	title = {Phase transition in the two-dimensional classical {XY} model},
	volume = {223},
	url = {http://dx.doi.org/10.1016/s0375-9601(96)00740-2},
	doi = {10.1016/s0375-9601(96)00740-2},
	journal = {Physics Letters A},
	author = {Kim, J.},
	year = {1996},
	keywords = {2d, fss, lxtal, xymodel},
	pages = {261}
}

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