Bojowald, Martin Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
cqg6_2_008.pdf (Publisher version), 260KB
Ashtekar, A., & Bojowald, M. (2006). Quantum geometry and the Schwarzschild singularity. Classical and Quantum Gravity, 23(2), 391-411.