{"type": {"key": "/type/work"}, "title": "Perturbations of the longitudes and radii vectores of the four inner planets of the first order as to the masses", "subjects": ["Perturbation"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL177859A"}}], "key": "/works/OL39733757W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2024-09-19T01:40:24.555578"}, "last_modified": {"type": "/type/datetime", "value": "2024-09-19T01:40:24.555578"}}