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

<http://www.irandoc.acir/onto/irandoc/math0007143>
  skos:broader <http://www.irandoc.acir/onto/irandoc/math0007146> ;
  skos:prefLabel "معادلات کسری-زمان پخش"@fa, "time-fractional diffusion equations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/math0007146>
  skos:prefLabel "معادله پخش کسری"@fa, "fractional diffusion equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/math0007143> .