Post #77639 — ورجاوند (@varjaavand)

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ورجاوند

9 Jan 2018, 21:29

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Forward from: کتابخانه ایران شناسی

مفتاح المعاملات.( متن ریاضی از قرن پنجم هجری). محمد بن ایوب طبری ( ابوجعفر محمد بن ایوب حاسب طبری). به کوشش محمد امین ریاحی.

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