Ehlers, Jürgen Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
grg1059.pdf (Publisher version), 127KB
Ehlers, J. (2006). Remarks on exact solutions. General Relativity and Gravitation, 38(6), 1059-1062. doi:10.1007/s10714-006-0287-0.