COMPORTAMIENTO ASINTÓTICO DE LA ECUACIÓN DE ONDA CON CONDICIÓN DE FRONTERA TIPO NEUMANN, LOCALMENTE DISTRIBUIDA (Unknown language)

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In the system (*), with Neumann boundary conditions and locally distributed dissipation; where a (x) ≥ a0 >0 a.e.in ω, ωΩ neighborhood 0f Γ= ∂Ω which is an open problem, see [6], we study the asymptotic behavior.