Image:Abu Abdullah Muhammad bin Musa al-Khwarizmi.jpg

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Public domain This work is in the public domain because it has no copyright within the Russian Federation. This is because the copyright is disclaimed under Article 8 (Works not Protected by Copyright) of the Law of the Russian Federation on Copyright and Neighboring Rights. Specifically excluded from copyright protection under this provision are official documents (laws, court decisions, other texts of legislative, administrative or judicial character) and official translations thereof; State emblems and official signs (flags, armorial bearings, decorations, monetary signs and other State symbols and official signs); works of folklore; communications concerning events and facts that have informational character.

Hence it is assumed that this image has been released into the public domain worldwide. However use of this image within Russia might be subject to usage restrictions regulated by other laws.

According to the Russian copyright law of 1993 ( Федеральный закон от 9.07.1993 № 5351-1), the following item is not subject to copyrights. It is a state symbols or tokens (which include flags, coats of arms, orders, banknotes and other state symbols and tokens).

This image (or derivatives) has been widely reproduced in printed books, including:

  • Michiel Keelstra. Een cultuurgeschiedenis van de wiskunde. Nieuwezijds: November 2006. ISBN 9057121360.
  • Corona Brezina. Al-Khwarizmi: The Inventor Of Algebra. (Great Muslim Philosophers and Scientists of the Middle Ages) ISBN 1404205136.

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  • (del) (cur) 14:52, 16 July 2004 . . Chris 73 ( Talk | contribs) . . 735×985 (163,421 bytes) (Abu Abdullah Muhammad bin Musa al-Khwarizmi)

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