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File:Abu Abdullah Muhammad bin Musa al-Khwarizmi edit.png

Description
English: en:Muḥammad ibn Mūsā al-Ḵwārizmī. (He is on a en:Soviet Union en:commemorative stamp, issued September 6, 1983. The stamp bears his name and says "1200 years", referring to the approximate anniversary of his birth)
فارسی: چهرهٔ خوارزمی بر روی تمبری از دوران شوری، منتشرشده در ۶ سپتامبر ۱۹۸۳
Português: Selo postal da União Soviética. No topo, lê-se "Почта CCCP 1983". Abaixo, "1200 лет Мухаммед аль·Хорезмu".
Русский: Мухаммед Аль-Хорезми. Советская почтовая марка, 4к., 1983
Українська: Мухаммед Аль-Хорезмі. Радянська поштова марка, 4к., 1983
Date 1983
Source http://www.muslimheritage.com/topics/default.cfm?ArticleID=631,
Author Unknown
Permission
( Reusing this file)
Public domain This work is not an object of copyright according to Part IV of Civil Code No. 230-FZ of the Russian Federation of December 18, 2006.

Article 1259. Objects of Copyright

Paragraph 5

Copyright shall not apply to ideas, concepts, principles, methods, processes, systems, means, solutions of technical, organizational and other problems, discoveries, facts, programming languages.

Paragraph 6

Shall not be objects of copyright:
  • official documents of state government agencies and local government agencies of municipal formations, including laws, other legal texts, judicial decisions, other materials of legislative, administrative and judicial character, official documents of international organizations, as well as their official translations;
  • state symbols and signs (flags, emblems, orders, banknotes, and the like), as well as symbols and signs of municipal formations;
  • works of folk art (folklore), which don't have specific authors;
  • news reports on events and facts, which have a purely informational character (daily news reports, television programs, transportation schedules, and the like).

Full text of the Code: in Russian in English.
Coat of Arms of the Russian Federation.svg

Comment – According to interstate and international compacts, the Russian Federation is the legal successor of the Russian Soviet Federative Socialist Republic and the Union of Soviet Socialist Republics; therefore, this license tag is also applicable to official symbols and formal documents of the Russian SFSR and the USSR (union level).

Warning – This license tag cannot be applied to proposed official symbols and drafts of formal documents, which can be copyrighted.

  1. ↑ The union level means that use of official symbols and the formal documents of 14 other Soviet Republics is the subject of law of their legal successor. See respective license tags.

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.

The following pages on Schools Wikipedia link to this image (list may be incomplete):

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