Thiemann, Thomas Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
cqg6_7_003.pdf (Verlagsversion), 216KB
Thiemann, T. (2006). Quantum Spin Dynamics VIII. The Master Constraint. Classical and Quantum Gravity, 23(7), 2249-2265.