Singular Localised Boundary-Domain Integral Equations of Acoustic Scattering by Inhomogeneous Anisotropic Obstacle
Otar Chkadua Sergey E. Mikhailov David Natroshvili



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γ
Γ
κ
ε
ε
φ
φ
Ω
Ω
ω

⟶

∃
∀
∂

ζ
σ

α
β




P̂_χ_Δ
δ
δ
θ


'
μ
ℝ
𝔹
ℕ
ℂ

