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

<http://www.irandoc.acir/onto/irandoc/math0006663>
  skos:related <http://www.irandoc.acir/onto/irandoc/math0006751>, <http://www.irandoc.acir/onto/irandoc/math0005505> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/math0006695> ;
  skos:prefLabel "معادله دگاسپریس-پراسسی"@fa, "degasperis–procesi equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/math0006695>
  skos:prefLabel "معادله دیفرانسیل جزئی مرتبه بالاتر"@fa, "higher-order partial differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/math0006663> .

<http://www.irandoc.acir/onto/irandoc/math0006751>
  skos:prefLabel "معادله کاماسا-هولم"@fa, "camassa–holm equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/math0006663> .

<http://www.irandoc.acir/onto/irandoc/math0005505>
  skos:prefLabel "معادله غیر خطی"@fa, "non-linear equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/math0006663> .