1-4 of 4 Books

Exact solutions of Einstein's field equations
By Hans Stephani

Shock-wave solutions of the Einstein equations with perfect fluid sources
By Jeff Groah,Blake Temple

Stability by Linearization of Einsteins Field Equation Progress in Mathematical Physics
By Joan Girbau

Geometric aspects of the Einstein equations and integrable systems
By Scheveningen Conference (6th 1984)