scientific article

zbMath0701.34040MaRDI QIDQ3478745

Jaume Llibre, Bartomeu Coll

Publication date: 1990

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

zbMATH Keywords

uniqueness of limit cyclesquadratic systemsphase portrait on the Poincaré-sphere

Mathematics Subject Classification ID

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

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