TY  - RPRT
TI  - Cutkosky rules for condensed-matter systems.
AU  - R Kobes
AU  - G Semenoff
PY  - 1986
DO  - 10.1103/physrevb.34.4338
UR  - https://pubmed.ncbi.nlm.nih.gov/9940206/
ID  - 9940206
ER  -