@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:-HS7FSSP9-M
  dc:created "2023-09-01"^^xsd:date ;
  dc:modified "2023-09-01"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-VJSFMZ3M-S, psr:-XKVSRW5Q-4 ;
  skos:prefLabel "conjecture de von Neumann"@fr, "von Neumann conjecture"@en .

psr:-VJSFMZ3M-S
  skos:prefLabel "topological group"@en, "groupe topologique"@fr ;
  a skos:Concept ;
  skos:narrower psr:-HS7FSSP9-M .

psr:-XKVSRW5Q-4
  skos:prefLabel "combinatorial group theory"@en, "théorie combinatoire des groupes"@fr ;
  a skos:Concept ;
  skos:narrower psr:-HS7FSSP9-M .