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Q4313154 - MaRDI portal

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scientific article; zbMATH DE number 687577
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scientific article; zbMATH DE number 687577

    Statements

    author
    Nicolae Vulpe
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    Igor V. Nikolaev
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    publication date
    5 December 1994
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    zbMATH Keywords
    quadratic system of differential equations on the plane
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    phase portraits
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    algebraic inequalities
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    fourfold singular point
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    Identifiers

    zbMATH DE Number
    687577
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