Image:Kazimierz Kuratowski.jpg
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Kazimierz_Kuratowski.jpg (200 × 266 pixels • taille du fichier : 12 ko • type MIME : image/jpeg)
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[edit] Summary
Kazimierz Kuratowski, 20th century Polish mathematician, graph theorist (1896 - 1980)
This picture is public domain because it was taken in Poland before 1990, without an explicit copyritght notice.
[edit] Licensing
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This image is in the public domain because according to the non-retrospective copyright law of July 10, 1952, of the People's Republic of Poland  , all photographs by Polish photographers published before the law was changed on May 23, 1994 without a clear copyright notice are assumed public domain. This applies worldwide. |
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