TY  - RPRT
TI  - Covariant Feynman rules at finite temperature: Time-path formulation.
AU  - RJ Furnstahl
AU  - BD Serot
PY  - 1991
DO  - 10.1103/physrevc.44.2141
UR  - https://pubmed.ncbi.nlm.nih.gov/9967636/
ID  - 9967636
ER  -