TY  - RPRT
TI  - Two-loop n -point anomalous amplitudes in N=4 supergravity
AU  - Bern, Zvi
AU  - Kosower, David
AU  - Parra-Martinez, Julio
PY  - 2020
DO  - 10.1098/rspa.2019.0722
UR  - https://www.osti.gov/biblio/1735471
ID  - 1735471
ER  -