کوشیار گیلانی (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "کوشیار گیلانی" in Persian language version.

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archive.org

Selin, Helaine (2008). Encyclopaedia of the history of science, technology, and medicine in non-western cultures. Berlin New York: Springer. p. 241. ISBN 978-1-4020-4960-6. Retrieved 2 December 2016. Another important early treatise that publicized decimal numbers was Iranian mathematician and astronomer Kūshyār ibn Labbān’s (fl. 1000) Kitāb fī usūl hisāb al-hind (Principles of Hindu Reckoning), a leading arithmetic textbook.