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zbMath1240.34161MaRDI QIDQ3170183

Dumitru Cozma

Publication date: 29 September 2011

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

zbMATH Keywords

integrability center-focus problem cubic differential systems invariant algebraic curves

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) Invariant manifolds for ordinary differential equations (34C45)

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