{"id":"S94002163","label":"Closed circular ring problems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94002163","normalized_label":"closed circular ring problems","broader":["http://id.loc.gov/authorities/subjects/sh85043235"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94002163","provider":"lcsh","revision":"5744ea1aaa12b275","taxonomy_revision":"f050b5d4780b1289","title":"Closed circular ring problems","url":"/topics/S94002163","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10106297483396269668","address_version":"morton4x16-v1","coordinates":[0,22,26991,52224],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}