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Ordinary Differential Equations
Conditions for the occurrence of the problem of center and focus
A. V. Skitovich Leningrad State University
Received: 18.02.1975
Citation:
A. V. Skitovich, “Conditions for the occurrence of the problem of center and focus”, Differ. Uravn., 13:6 (1977), 1061–1069
Linking options:
https://www.mathnet.ru/eng/de3094 https://www.mathnet.ru/eng/de/v13/i6/p1061
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Statistics & downloads: |
Abstract page: | 88 | Full-text PDF : | 48 |
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