TY  - RPRT
TI  - Summing one-loop graphs at multiparticle threshold.
AU  - MB Voloshin
PY  - 1993
DO  - 10.1103/physrevd.47.r357
UR  - https://pubmed.ncbi.nlm.nih.gov/10015637/
ID  - 10015637
ER  -