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// Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika
// Archive
Izv. Vyssh. Uchebn. Zaved. Mat.,
1958
Number 1,
Pages
56–59
(Mi ivm2872)
Some sufficient conditions for the existence of limit cycles
E. I. Zheleznov
Received:
10.11.1957
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Steklov Math. Inst. of RAS
, 2024
Fulltext:
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