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zbMath0757.34032MaRDI QIDQ4019907

Ding Tongren

Publication date: 16 January 1993

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

existence topological index harmonic solution dot product Duffing's system with positive damping

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Perturbations of ordinary differential equations (34D10)

Related Items (2)

The boundedness and convergence of solutions of second-order differential equations with applications ⋮ On the existence of harmonic solutions of Liénard systems

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