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scientific article; zbMATH DE number 221112
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 221112 |
Statements
29 June 1993
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Petrov type space times
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Hadamard's problem
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second order linear partial differential equations of normal hyperbolic type
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Huygens' minor premise
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necessary condition
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