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Publication:3747390
zbMath0608.58037MaRDI QIDQ3747390
Publication date: 1985
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
periodic solutionsHamiltonian systemsMorse indexdual actioniteration formulastarshaped energy surfaces
Periodic solutions to ordinary differential equations (34C25) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Functional-differential equations (including equations with delayed, advanced or state-dependent argument) (34K99)
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