St Andrewsبایگانیشده در ۲۰۱۷-۱۱-۱۲ توسط Wayback Machine "Khayyam himself seems to have been the first to conceive a general theory of cubic equations."
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St Andrewsبایگانیشده در ۲۰۱۷-۱۱-۱۲ توسط Wayback Machine "Khayyam himself seems to have been the first to conceive a general theory of cubic equations."