TY  - RPRT
TI  - Loop calculus for lattice gauge theories.
AU  - R Gambini
AU  - L Leal
AU  - A Trias
PY  - 1989
DO  - 10.1103/physrevd.39.3127
UR  - https://pubmed.ncbi.nlm.nih.gov/9959547/
ID  - 9959547
ER  -