Geodesic
One example of Einstein spaces
Theoretical and applied mechanics, Tome 13 (1987) no. 1, p. 77 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In this paper we propose a metric based on Godel's cosmological model. The metric tensor is represented by two functions, $v$ and $t$, depending on $x^1$ and $x^4$ respectively. Two functions of the proposed metric are determined from the condition that the Ricci tensor is proportional to the metric tensor. In this way we obtain an example of Einstein spaces. 
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     author = {Dragi Radojevi\'c},
     title = {One example of {Einstein} spaces},
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Dragi Radojević. One example of Einstein spaces. Theoretical and applied mechanics, Tome 13 (1987) no. 1, p. 77 . http://geodesic.mathdoc.fr/item/TAM_1987_13_1_a6/