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scientific article; zbMATH DE number 7070461
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 7070461 |
Statements
21 June 2019
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cosine operator functions
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real vector space \(\mathbb{R}^2\)
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second order Cauchy problem
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D'Alambert functional equation
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