TY  - RPRT
TI  - Kosterlitz-Thouless phase transition in the two dimensional linear sigma model.
AU  - M Gräter
AU  - C Wetterich
PY  - 1995
DO  - 10.1103/physrevlett.75.378
UR  - https://pubmed.ncbi.nlm.nih.gov/10060006/
ID  - 10060006
ER  -