{"covers": [311691], "first_publish_date": "1941", "key": "/works/OL1383426W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL141874A"}}], "subjects": ["Mathematics", "Philosophy", "Arithmetic", "Foundations", "Mathematics, philosophy", "Arithmetic, foundations", "Wiskundige logica"], "title": "O logice matematycznej i metodzie dedukcyjnej", "type": {"key": "/type/work"}, "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2009-12-09T21:16:49.438247"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-23T07:56:10.559039"}}