Abstract
This note removes a misunderstanding in the interpretation of solutions of the equations of motion in Friedmann's model.
References
Friedmann, A. A.: 1924,Z. Phys. 21, 326.
Landau, L. D. and Lifshitz, E. M.: 1973,The Field Theory, Moscow, p. 463 (in Russian).
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Dubec, M., Skalský, V. A note on the superluminal velocity in cosmological models. Astrophys Space Sci 162, 341–342 (1989). https://doi.org/10.1007/BF00640748
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DOI: https://doi.org/10.1007/BF00640748