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

<http://www.irandoc.acir/onto/irandoc/mathpro278>
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro277> ;
  skos:prefLabel "اپراتور بلمن"@fa, "bellman operator"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro277>
  skos:prefLabel "عملگر نظریه معادلات دیفرانسیل"@fa, "operator of theory of differential equations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro278> .