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On a problem of C. Kuratowski's concerning upper semi-continuous collections. - MaRDI portal

On a problem of C. Kuratowski's concerning upper semi-continuous collections.

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Publication:1435227

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zbMath55.0332.16MaRDI QIDQ1435227

J. H. Roberts

Publication date: 1929

Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/212152

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