scientific article; zbMATH DE number 3542805

zbMath0348.34020MaRDI QIDQ4118128

Leonid Cherkas

Publication date: 1977

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

Mathematics Subject Classification ID

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

Related Items (3)

Research on the Poincaré center-focus problem of some cubic differential systems by using a new method ⋮ A new method for research on the center-focus problem of differential systems ⋮ Center conditions and limit cycles in a cubic system of differential equations

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