Dzhemshid Giyaseddin al-Kashi. Klyuch arifmetiki.Traktat ob okruzhnosti. S prilozheniem reproduktsii arabskikh rukopisey oboikh traktatov./Djemshid Giyaseddin al-Kashi. The key to arithmetic is the circular treatise, with reproductions of the Arabic manuscripts of both treatises attached. In Russian (ask us if in doubt). - landofmagazines.com

TransliterationDzhemshid Giyaseddin al-Kashi. Klyuch arifmetiki.Traktat ob okruzhnosti. S prilozheniem reproduktsii arabskikh rukopisey oboikh traktatov.

In EnglishDjemshid Giyaseddin al-Kashi. The key to arithmetic is the circular treatise, with reproductions of the Arabic manuscripts of both treatises attached. In Russian (ask us if in doubt).

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