scientific article; zbMATH DE number 1748347
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Publication:4530277
zbMath1068.34506MaRDI QIDQ4530277
Publication date: 11 June 2002
Full work available at URL: https://eudml.org/doc/124961
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Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Nonlinear ordinary differential equations and systems (34A34) Symmetries, invariants of ordinary differential equations (34C14)