{"type": {"key": "/type/work"}, "title": "Solutions of the most difficult questions in Lewis' Algebra", "subjects": ["Algebra"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL518487A"}}], "key": "/works/OL45239393W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-26T22:54:56.670891"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-26T22:54:56.670891"}}