Periodic solutions of weakly nonlinear wave equations in unbounded intervals
Leopold Herrmann, Milan Štědrý (1978)
Czechoslovak Mathematical Journal
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Leopold Herrmann, Milan Štědrý (1978)
Czechoslovak Mathematical Journal
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Michal Fečkan (1992)
Mathematica Bohemica
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The existence of classical solutions for some partial differential equations on tori is shown.
Otto Vejvoda (1959)
Czechoslovak Mathematical Journal
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