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scientific article; zbMATH DE number 3891838
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 3891838 |
Statements
1982
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Sapiro-Lopatinski conditions
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index formula
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degenerate pseudodifferential operator of first order
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existence
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uniqueness
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