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Scientific notes and problems
A method of estimating an upper bound of the number of periodic solutions of an autonomous system of two differential equations
M. I. Voilokov
Received: 22.07.1959
Citation:
M. I. Voilokov, “A method of estimating an upper bound of the number of periodic solutions of an autonomous system of two differential equations”, Russian Math. Surveys, 16:3 (1961)
Linking options:
https://www.mathnet.ru/eng/rm6624 https://www.mathnet.ru/eng/rm/v16/i3/p159
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