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JOURNALS
// Differentsial'nye Uravneniya
// Archive
Differ. Uravn.,
1970
Volume 6,
Number 10,
Pages
1761–1771
(Mi de1102)
Conditions for the existence of a loop of a separatrix
N. F. Otrokov
Gor'kii State University
UDC:
517.925.11
Received:
26.04.1968
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Steklov Math. Inst. of RAS
, 2026