Some opaque subsets of a square (Q770814)
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scientific article; zbMATH DE number 3140629
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some opaque subsets of a square |
scientific article; zbMATH DE number 3140629 |
Statements
Some opaque subsets of a square (English)
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1959
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set theory
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