Abstract
It is shown that the exterior solutions of the Robertson-Walker metric in the Lyttleton-Bondi universe with cosmological constant are, in general, those space-times which represent stiff matter fluids in general relativity theory. This shows that a result stated by Varma and Roy is incorrect.
References
Reddy, D. R. K.: 1986,Astrophys. Space Sci. 122, 263.
Varma, M. N. and Roy, A. R.: 1987,Astrophys. Space Sci. 136, 415.
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Tupper, B.O.J. Robertson-Walker Lyttleton-Bondi universe with cosmological constant — A comment. Astrophys Space Sci 168, 173–174 (1990). https://doi.org/10.1007/BF00654601
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DOI: https://doi.org/10.1007/BF00654601