The Polish Post issued a 6-złoty commemorative stamp featuring Sierpiński as part of the "Polish Mathematicians" series
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The Polish Post issued a 6-złoty commemorative stamp featuring Sierpiński as part of the "Polish Mathematicians" series
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.