Infinitely Many Periodic Solutions for the Equation: u tt - u xx ± | u | p-1 u = f(x, t). II
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Publication:3472532
DOI10.2307/2001191zbMath0696.35113OpenAlexW2030956961MaRDI QIDQ3472532
Publication date: 1988
Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2001191
Periodic solutions to PDEs (35B10) Second-order nonlinear hyperbolic equations (35L70) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05)
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