Friedrich, Helmut Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
ap84108.pdf (Publisher version), 204KB
0508016[1].pdf (Preprint), 395KB
Friedrich, H. (2006). Is general relativity 'essentially understood'? Annalen der Physik, 15, 84-108.