Permanent strength operators with lower estimates through derivatives and formally hypoelliptic operators (Q1245349)
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scientific article; zbMATH DE number 3582593
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Permanent strength operators with lower estimates through derivatives and formally hypoelliptic operators |
scientific article; zbMATH DE number 3582593 |
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Permanent strength operators with lower estimates through derivatives and formally hypoelliptic operators (English)
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1977
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