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Ordinary Differential Equations
On the asymptotic perturbation of a nonlinear center
Yu. A. Il'in Saint Petersburg State University
Received: 01.03.1997
Citation:
Yu. A. Il'in, “On the asymptotic perturbation of a nonlinear center”, Differ. Uravn., 33:5 (1997), 632–637; Differ. Equ., 33:5 (1997), 635–640
Linking options:
https://www.mathnet.ru/eng/de9262 https://www.mathnet.ru/eng/de/v33/i5/p632
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