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

<http://www.irandoc.acir/onto/irandoc/MAT0006997>
  skos:related <http://www.irandoc.acir/onto/irandoc/MAT0006913> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/MAT0006998> ;
  skos:prefLabel "معادله دیفرانسیل معمولی غیر خطی مرتبه بالاتر"@fa, "higher order non-linear differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/MAT0006913>
  skos:prefLabel "higher order ordinary differential equation"@en, "معادله دیفرانسیل معمولی مرتبه بالاتر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/MAT0006997> .

<http://www.irandoc.acir/onto/irandoc/MAT0006998>
  skos:prefLabel "معادله دیفرانسیل معمولی غیر خطی"@fa, "non-linear ordinary differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/MAT0006997> .