@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:-WCS5DV8S-5
  dc:created "2023-10-11"^^xsd:date ;
  dc:modified "2023-10-11"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-XPFQM0ZH-H, psr:-MS1LS1CS-W ;
  skos:prefLabel "Klein quadric"@en, "quadrique de Klein"@fr .

psr:-XPFQM0ZH-H
  skos:prefLabel "géométrie projective"@fr, "projective geometry"@en ;
  a skos:Concept ;
  skos:narrower psr:-WCS5DV8S-5 .

psr:-MS1LS1CS-W
  skos:prefLabel "quadric"@en, "quadrique"@fr ;
  a skos:Concept ;
  skos:narrower psr:-WCS5DV8S-5 .