Bykov, D. Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1605.01093.pdf (Preprint), 143KB
PLB760_341.pdf (Publisher version), 215KB
Bykov, D. (2016). Complex structures and zero-curvature equations for sigma-models. Physics Letters B, 760, 341-344. doi:10.1016/j.physletb.2016.06.071.