V. K. Akhramenko, A. P. Sadovskii, “Necessary conditions for a center for a differential system with a complex singular point”, Differ. Uravn., 1988, Volume 24, Number 12,Pages <nobr>2032

JOURNALS // Differentsial'nye Uravneniya // Archive

Differ. Uravn., 1988 Volume 24, Number 12, Pages 2032–2042 (Mi de9325)

Ordinary Differential Equations

Necessary conditions for a center for a differential system with a complex singular point

V. K. Akhramenko^a, A. P. Sadovskii^b

^a V. I. Lenin Belorusskii State University
^b State University of Grodno

UDC: 517.925.42

Received: 05.11.1987

English version: Differential Equations, 1988, 24:12, 1357–1367

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