ON THE PROBLEM OF THE NORMAL IMAGE OF A COMPLETE SURFACE OF NEGATIVE CURVATURE (Q5621742)
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scientific article; zbMATH DE number 3345870
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | ON THE PROBLEM OF THE NORMAL IMAGE OF A COMPLETE SURFACE OF NEGATIVE CURVATURE |
scientific article; zbMATH DE number 3345870 |
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ON THE PROBLEM OF THE NORMAL IMAGE OF A COMPLETE SURFACE OF NEGATIVE CURVATURE (English)
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1971
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