Bojowald, Martin Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
0511108.pdf (Preprint), 364KB
Bojowald, M., & Swiderski, R. (2006). Spherically Symmetric Quantum Geometry: Hamiltonian Constraint. Classical and Quantum Gravity, 23, 2129-2154.