TY  - RPRT
TI  - Finite-temperature Feynman propagator in operator form.
AU  - HA Weldon
PY  - 1996
DO  - 10.1103/physrevd.53.7265
UR  - https://pubmed.ncbi.nlm.nih.gov/10020016/
ID  - 10020016
ER  -