Hamiltonian perturbations of infinite-dimensional linear systems with an imaginary spectrum
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Publication:752970
DOI10.1007/BF02577134zbMath0716.34083WikidataQ56555287 ScholiaQ56555287MaRDI QIDQ752970
Publication date: 1987
Published in: Functional Analysis and its Applications (Search for Journal in Brave)
Periodic solutions to ordinary differential equations (34C25) Nonlinear ordinary differential equations and systems (34A34) Nonlinear differential equations in abstract spaces (34G20)
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