{"id":"S85010800","label":"B\u00e4cklund transformations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85010800","normalized_label":"backlund transformations","broader":["http://id.loc.gov/authorities/subjects/sh85037912","http://id.loc.gov/authorities/subjects/sh85136920"],"aliases":["Transformations, B\u00e4cklund"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85010800","provider":"lcsh","revision":"4e9c9653dd5b4ac8","taxonomy_revision":"f050b5d4780b1289","title":"B\u00e4cklund transformations","url":"/topics/S85010800","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088067564434490884","address_version":"morton4x16-v1","coordinates":[0,20,17573,49152],"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}