Rodent 发表于 2025-3-30 10:50:23

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alliance 发表于 2025-3-30 14:13:53

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查看完整版本: Titlebook: Nonlinear Vibrations and the Wave Equation; Alain Haraux Book 2018 The Author(s) 2018 Wave equation.Nonlinear vibrations.Almost periodic o