On Σ<sub>1</sub>-Structural Differences Among Finite Levels of the Ershov Hierarchy (Q3416112)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On Σ<sub>1</sub>-Structural Differences Among Finite Levels of the Ershov Hierarchy |
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On Σ<sub>1</sub>-Structural Differences Among Finite Levels of the Ershov Hierarchy (English)
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19 January 2007
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Ershov hierarchy
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c.e. degree
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