Korotkin, D. A. Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Samtleben, Henning Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
206318.pdf (Publisher version), 2MB
Korotkin, D. A., & Samtleben, H. (1998). Yangian symmetry in integrable quantum gravity. Nuclear Physics B, 527, 657-689.