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

<http://www.irandoc.acir/onto/irandoc/EIT0009449>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0009448> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0009419>, <http://www.irandoc.acir/onto/irandoc/EIT0009442> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0009451> ;
  skos:prefLabel "معادله دیفرانسیل جزئی"@fa, "partial differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0009442>
  skos:prefLabel "boundary value problem"@en, "مسئله مقدار مرزی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0009449> .

<http://www.irandoc.acir/onto/irandoc/EIT0009419>
  skos:prefLabel "eigenvalue and eigenfunction"@en, "مقدار ویژه و تابع ویژه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0009449> .

<http://www.irandoc.acir/onto/irandoc/EIT0009451>
  skos:prefLabel "differential equation"@en, "معادله دیفرانسیل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0009449> .

<http://www.irandoc.acir/onto/irandoc/EIT0009448>
  skos:prefLabel "Maxwell equation"@en, "معادله ماکسول"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0009449> .