Abstract
Conditions are obtained on the four velocity of the particles of a medium in the gravitational fields of a hydrodynamical fluid and dust, and the nature of the motion of the medium in these fields is investigated. It is shown that the gravitational fields of a hydrodynamical fluid and dust do not admit conformal mapping onto Einstein spaces which are not conformally flat spaces (spaces of constant curvature).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 1, pp. 27–32, January, 1975.
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Obosov, V.I. Some properties of the gravitational fields of a hydrodynamical fluid and dust. Soviet Physics Journal 18, 21–26 (1975). https://doi.org/10.1007/BF00889801
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DOI: https://doi.org/10.1007/BF00889801