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zbMath0488.34021MaRDI QIDQ3949319

Jing Huang Tian, Zhongyuan Cheng

Publication date: 1982

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

zbMATH Keywords

limit cycles existence and uniqueness closed trajectories

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Nonlinear ordinary differential equations and systems (34A34)

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