{"title": "Nekotorye matematicheskie voprosy teorii obsluzhivanii\ufe20a\ufe21 slozhnykh sistem", "key": "/works/OL21551618W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1082676A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8213739A"}}], "type": {"key": "/type/work"}, "subjects": ["Renewal theory", "Maintenance"], "covers": [10381803], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2020-08-23T18:35:01.059301"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-16T11:06:20.424851"}}