{"first_publish_date": "1970", "key": "/works/OL3169371W", "title": "A comprehensive introduction of differential geometry", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL506694A"}}], "type": {"key": "/type/work"}, "subjects": ["Differential Geometry", "Geometry, Differential", "Geometrie differentielle", "Surface courbe", "Theorie Gauss", "Courbure", "Calcul differentiel", "Faisceau", "G\u00e9om\u00e9trie diff\u00e9rentielle"], "covers": [7388059], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T02:33:14.670476"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-29T18:24:49.278969"}}