{"id":"S90005455","label":"Darboux transformations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90005455","normalized_label":"darboux transformations","broader":["http://id.loc.gov/authorities/subjects/sh85037912","http://id.loc.gov/authorities/subjects/sh85136920"],"aliases":["Transformations, Darboux"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90005455","provider":"lcsh","revision":"da2000617ef58b25","taxonomy_revision":"f050b5d4780b1289","title":"Darboux transformations","url":"/topics/S90005455","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"345805220280157766","address_version":"morton4x16-v1","coordinates":[0,21,30079,15360],"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}