TY  - RPRT
TI  - Generating functional for electron-phonon systems from functional integrals with one-sided boundary conditions.
AU  - J Florencio
PY  - 1987
DO  - 10.1103/physrevb.35.452
UR  - https://pubmed.ncbi.nlm.nih.gov/9941424/
ID  - 9941424
ER  -