83 Relativity and gravitational theory
83Cxx General relativity
83C15 Exact solutions (3 articles)
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Hronek, S.; Suchánek, R.:
Pseudo-Riemannian and Hessian geometry related to Monge-Ampère structures.
(English).
Archivum Mathematicum,
vol. 58
(2022),
issue 5,
pp. 329-338
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Gądek, B.; Heberlein, K.; Jakubowicz, A.:
On certain Einstein space-time.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 25
(1984),
issue 2,
pp. 297-301