{"id":"S00000387","label":"Pfaffian systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00000387","normalized_label":"pfaffian systems","broader":["http://id.loc.gov/authorities/subjects/sh85037884","http://id.loc.gov/authorities/subjects/sh85037890"],"aliases":["Paff system of equations","Paff's system of equations","Pfaffian equations, System of","System of Pfaffian equations","System of total differential equations","Total differential systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00000387","provider":"lcsh","revision":"60cb16c1dced5932","taxonomy_revision":"f050b5d4780b1289","title":"Pfaffian systems","url":"/topics/S00000387","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"149533581378624","address_version":"morton4x16-v1","coordinates":[0,0,6,3072],"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}