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Q3974318 - MaRDI portal

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scientific article
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scientific article

    Statements

    publication date
    25 June 1992
    0 references
    zbMATH Keywords
    limit cycles
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    quadratic differential system
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    Poincaré hemisphere
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    continuous vector field
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    topologically equivalent classes
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    author
    Zhao Jun Liang
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    Identifiers

    zbMATH DE Number
    11389
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