Abstract
Nonhyperbolocity of Einstein's equations is established; it is shown that the propagation velocity of weak gravitational waves may differ from c.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 87–90, August, 1980.
I am very grateful for interest and assistance to V. L. Bonch-Bruevich, N. S. Kardashov, and I. D. Novikov.
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Temchin, A.N. On the type of Einstein's equations. Soviet Physics Journal 23, 724–728 (1980). https://doi.org/10.1007/BF00891364
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DOI: https://doi.org/10.1007/BF00891364