Example of a surface that is homotopic to a tube and has a closed asymptotic line (Q2531215)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Example of a surface that is homotopic to a tube and has a closed asymptotic line |
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Example of a surface that is homotopic to a tube and has a closed asymptotic line (English)
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1968
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differential geometry
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