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zbMath0576.34028MaRDI QIDQ3697397

V. A. Gajko, Leonid Cherkas

Publication date: 1985

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

zbMATH Keywords

limit cycles Quadratic systems Bifurcations of limit cycles

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05)

Related Items (2)

Leonid Antonovich Cherkas ⋮ Qualitative theory of two-dimensional polynomial dynamical systems: Problems, approaches, conjectures

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