Certain sums of Squares of Vector Fields Fail to be Analytic Hypoelliptic (Q3986389)
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scientific article; zbMATH DE number 28823
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Certain sums of Squares of Vector Fields Fail to be Analytic Hypoelliptic |
scientific article; zbMATH DE number 28823 |
Statements
Certain sums of Squares of Vector Fields Fail to be Analytic Hypoelliptic (English)
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27 June 1992
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