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

<http://www.irandoc.acir/onto/irandoc/MAT0006928>
  skos:prefLabel "معادله دیفرانسیل تابعی"@fa, "functional differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/MAT0006925> .

<http://www.irandoc.acir/onto/irandoc/MAT0006925>
  skos:broader <http://www.irandoc.acir/onto/irandoc/MAT0006928> ;
  skos:prefLabel "معادله باضربه"@fa, "equation with impulse"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .