TY  - JOUR
AU  - M. Libine
TI  - The Two-Loop Ladder Diagram and Representations of U(2,2)
JO  - Journal of Lie Theory
PY  - 2017
SP  - 771
EP  - 800
VL  - 27
IS  - 3
UR  - https://jolt.centre-mersenne.org/articles/10.5802/jolt.969/
DO  - 10.5802/jolt.969
ID  - JOLT_2017_27_3_a7
ER  -