سال 1401 ش. https://sana.nlai.ir/handle/123456789/860212 2026-06-21T04:28:26Z Sahand Communications In Mathematical Analysis [Magazine].No 33 https://sana.nlai.ir/handle/123456789/942801 Sahand Communications In Mathematical Analysis [Magazine].No 33 1401-12-01T00:00:00Z Sahand Communications In Mathematical Analysis [Magazine].No 30 https://sana.nlai.ir/handle/123456789/860490 Sahand Communications In Mathematical Analysis [Magazine].No 30 1401-06-01T00:00:00Z Sahand Communications In Mathematical Analysis [Magazine].No 29 https://sana.nlai.ir/handle/123456789/860214 Sahand Communications In Mathematical Analysis [Magazine].No 29 1401-03-01T00:00:00Z