TY  - RPRT
TI  - Thermofield transfer-matrix method and its applications to quantum spin systems.
AU  - M Suzuki
AU  - H Betsuyaku
PY  - 1986
DO  - 10.1103/physrevb.34.1829
UR  - https://pubmed.ncbi.nlm.nih.gov/9939840/
ID  - 9939840
ER  -