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Matematicheskie Zametki, 1971, Volume 9, Issue 6, Pages 651–662
(Mi mzm7050)
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Periodic solutions of evolutionary equations
P. P. Zabreikoa, S. O. Stryginab a Voronezh State Pedagogical Institute
b Yaroslavl State University
Abstract:
An analog of L. Cesari's method for a very general class of evolutionary equations is investigated. A result is proved concerning the coincidence of rotation of a Cesari field with the rotation of a translation operator (on boundaries of naturally corresponding regions), and Galerkin's method of obtaining periodic solutions is studied. The results obtained are new for ordinary differential equations.
Received: 24.12.1969
Citation:
P. P. Zabreiko, S. O. Strygina, “Periodic solutions of evolutionary equations”, Mat. Zametki, 9:6 (1971), 651–662; Math. Notes, 9:6 (1971), 378–384
Linking options:
https://www.mathnet.ru/eng/mzm7050 https://www.mathnet.ru/eng/mzm/v9/i6/p651
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