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Differentsial'nye Uravneniya, 1990, Volume 26, Number 10, Pages 1743–1753 (Mi de7299)  
Ordinary Differential Equations

Conditions for the problem of the center and focus to arise for an $A_3$-system

A. P. Sadovskii

Yanka Kupala State University of Grodno
Full-text PDF (1087 kB)
Received: 16.06.1989
Bibliographic databases:
Document Type: Article
UDC: 517.925.41
Language: Russian
Citation: A. P. Sadovskii, “Conditions for the problem of the center and focus to arise for an $A_3$-system”, Differ. Uravn., 26:10 (1990), 1743–1753; Differ. Equ., 26:10 (1990), 1293–1302
Citation in format AMSBIB
\Bibitem{Sad90}
\by A.~P.~Sadovskii
\paper Conditions for the problem of the center and focus to arise for an $A_3$-system
\jour Differ. Uravn.
\yr 1990
\vol 26
\issue 10
\pages 1743--1753
\mathnet{http://mi.mathnet.ru/de7299}
\mathscinet{https://mathscinet.ams.org/mathscinet-getitem?mr=1089745}
\transl
\jour Differ. Equ.
\yr 1990
\vol 26
\issue 10
\pages 1293--1302
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