Periodic solutions of hyperbolic partial differential equation with quadratic dissipative term
Naděžda Krylová (1970)
Czechoslovak Mathematical Journal
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Naděžda Krylová (1970)
Czechoslovak Mathematical Journal
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Milan Štědrý, Otto Vejvoda (1975)
Czechoslovak Mathematical Journal
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Hana Petzeltová (1973)
Czechoslovak Mathematical Journal
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