Periodic solutions of x''+f(x,t)=0 via the Poincaré-Birkhoff theorem (Q1844985)
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scientific article; zbMATH DE number 3447350
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Periodic solutions of x''+f(x,t)=0 via the Poincaré-Birkhoff theorem |
scientific article; zbMATH DE number 3447350 |
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Periodic solutions of x''+f(x,t)=0 via the Poincaré-Birkhoff theorem (English)
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1976
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