TY  - RPRT
TI  - Schwinger-DeWitt proper-time expansion and eikonal approximation.
AU  - SK Kim
AU  - C Lee
AU  - DP Min
PY  - 1985
DO  - 10.1103/physrevd.31.829
UR  - https://pubmed.ncbi.nlm.nih.gov/9955763/
ID  - 9955763
ER  -