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scientific article; zbMATH DE number 691496
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 691496 |
Statements
24 October 1995
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Birkhoff invariant
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billiard map
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Lazutkin parameter
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spectral invariants
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caustics' invariants
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