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On the Sign of Solutions of Systems of Ordinary Differential Equations

On the Sign of Solutions of Systems of Ordinary Differential Equations

We show that Theorems 1 and 3 in A. G. Gritsai's paper “Monotonicity properties of solutions of systems of nonlinear differential equations” published in the collection of works Approximate and Qualitative Methods in the Theory of Differential and Functional Differential-Equations (Institute of...

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Bibliographic Details
Main Author: Kalinowski, J.
Format: Article
Language:English
Published: Інститут математики НАН України 2002
Series:Український математичний журнал
Subjects:
Короткі повідомлення
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/164322
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Summary:We show that Theorems 1 and 3 in A. G. Gritsai's paper “Monotonicity properties of solutions of systems of nonlinear differential equations” published in the collection of works Approximate and Qualitative Methods in the Theory of Differential and Functional Differential-Equations (Institute of Mathematics, Ukrainian Academy of Sciences, Kiev, 1979) are not true in the formulation presented.

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