@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:-VZHZM8NP-6
  skos:related psr:-Z2Z5WNMR-Q ;
  dc:created "2023-09-14"^^xsd:date ;
  dc:modified "2023-09-14"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-WVH3Z37X-2 ;
  skos:prefLabel "Bretschneider's formula"@en, "formule de Bretschneider"@fr .

psr:-WVH3Z37X-2
  skos:prefLabel "aire"@fr, "area"@en ;
  a skos:Concept ;
  skos:narrower psr:-VZHZM8NP-6 .

psr:-Z2Z5WNMR-Q
  skos:prefLabel "quadrilatère"@fr, "quadrilateral"@en ;
  a skos:Concept ;
  skos:related psr:-VZHZM8NP-6 .