{"type": {"key": "/type/work"}, "title": "Partial Differential Equations", "authors": [{"author": {"key": "/authors/OL1727243A"}, "type": {"key": "/type/author_role"}}], "key": "/works/OL35979155W", "subjects": ["Partial Differential equations"], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2023-06-22T01:09:18.109814"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-17T02:34:18.114217"}}