{"id":"S85104823","label":"Pontryagin spaces","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104823","normalized_label":"pontryagin spaces","broader":["http://id.loc.gov/authorities/subjects/sh85077185"],"aliases":["Pontri\ufe20a\ufe21gin spaces","Pontrjagin spaces","Spaces, Pontryagin"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104823","provider":"lcsh","revision":"e3ca08e7d187d5fb","taxonomy_revision":"f050b5d4780b1289","title":"Pontryagin spaces","url":"/topics/S85104823","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090535142398493248","address_version":"morton4x16-v1","coordinates":[0,20,19042,56320],"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}