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

<http://www.irandoc.acir/onto/irandoc/NEMA000270>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007280> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000275> ;
  skos:prefLabel "نظریه تحلیلی اعداد"@fa, "analytic number theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA000275>
  skos:prefLabel "نظریه اعداد"@fa, "number theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000270> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007280>
  skos:prefLabel "تابع‌های حسابی"@fa, "arithmetic functions"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000270> .