Beisert, Niklas Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
204943.pdf (Preprint), 212KB
Beisert, N. (2004). Higher-Loop Integrability in N=4 Gauge Theory. Comptes Rendues Physique, 5, 1039-1048.