Stephani, H. (2003). Exact solutions of Einstein's field equations (2nd ed.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Stephani, Hans. Exact Solutions of Einstein's Field Equations. 2nd ed. Cambridge ; New York: Cambridge University Press, 2003.
Lua MLA (9ú heag.)Stephani, Hans. Exact Solutions of Einstein's Field Equations. 2nd ed. Cambridge University Press, 2003.
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