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Ordinary Differential Equations
Tests for the existence of the center, and its isochronism
V. V. Amel'kin, N. A. Lukashevich V. I. Lenin Belorusskii State University
Received: 10.01.1973
Citation:
V. V. Amel'kin, N. A. Lukashevich, “Tests for the existence of the center, and its isochronism”, Differ. Uravn., 10:4 (1974), 585–590
Linking options:
https://www.mathnet.ru/eng/de2144 https://www.mathnet.ru/eng/de/v10/i4/p585
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