@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:-MN21BBZW-X
  dc:created "2023-06-30"^^xsd:date ;
  dc:modified "2023-06-30"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-ZQBDRF3L-Z ;
  skos:prefLabel "Whitehead manifold"@en, "variété de Whitehead"@fr .

psr:-ZQBDRF3L-Z
  skos:prefLabel "3-manifold"@en, "3-variété"@fr ;
  a skos:Concept ;
  skos:narrower psr:-MN21BBZW-X .