@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/math0003509>
  skos:prefLabel "قضیه روشه"@fa, "rouche theorem"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/math0010010> .

<http://www.irandoc.acir/onto/irandoc/mathpro3228>
  skos:prefLabel "هندسه دیفرانسیل"@fa, "differential geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/math0010010> .

<http://www.irandoc.acir/onto/irandoc/math0010010>
  skos:altLabel "کرانه تکه تکه هموار"@fa, "" ;
  skos:related <http://www.irandoc.acir/onto/irandoc/math0003509> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro3228> ;
  skos:prefLabel "مرز تکه تکه هموار"@fa, "piecewise smooth boundary"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .