Nonstationary perturbation theory for a degenerate discrete level (Q1260582)
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scientific article; zbMATH DE number 3642146
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nonstationary perturbation theory for a degenerate discrete level |
scientific article; zbMATH DE number 3642146 |
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Nonstationary perturbation theory for a degenerate discrete level (English)
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1976
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nonstationary perturbation
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evolution operator
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