@prefix psr: <http://data.loterre.fr/ark:/67375/PSR> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

psr: a skos:ConceptScheme .
psr:-Q00W69TP-K
  skos:prefLabel "quartic surface"@en, "surface quartique"@fr ;
  a skos:Concept ;
  skos:narrower psr:-XX1RMGPH-T .

psr:-XX1RMGPH-T
  dc:created "2023-10-05"^^xsd:date ;
  dc:modified "2023-10-05"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-Q00W69TP-K ;
  skos:prefLabel "surface d'onde"@fr, "wave surface"@en .