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JOURNALS
// Differentsial'nye Uravneniya
// Archive
Differ. Uravn.,
1968
Volume 4,
Number 11,
Pages
2002–2009
(Mi de473)
The problem of center and focus
A. P. Sadovskii
V. I. Lenin Belorusskii State University
UDC:
517.917
Received:
25.05.1967
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Steklov Math. Inst. of RAS
, 2024
Fulltext:
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