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  "date_created": "2026-03-02T18:01:25.018000Z",
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    "abstract": "Communication by K. Schwarzschild to the Prussian Academy of Sciences,\ndealing with the gravitational field of a sphere of incompressible fluid.",
    "arxiv_id": "physics/9912033",
    "authors": [
      "K. Schwarzschild"
    ],
    "categories": [
      "physics.hist-ph",
      "astro-ph",
      "gr-qc"
    ],
    "journal_ref": "Sitzungsber.Preuss.Akad.Wiss.Berlin (Math.Phys.) 1916 (1916)\n  424-434",
    "title": "On the gravitational field of a sphere of incompressible fluid according   to Einstein\u0027s theory",
    "url": "https://arxiv.org/abs/physics/9912033"
  },
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