TY  - RPRT
TI  - Alternative Feynman-diagram method for the general-spin Kondo problem.
AU  - SE Barnes
PY  - 1988
DO  - 10.1103/physrevb.37.2220
UR  - https://pubmed.ncbi.nlm.nih.gov/9944737/
ID  - 9944737
ER  -