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Abstract
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In this paper estimates are
obtained for any scalar function u(x) that staisfies the equation
![div(T u) = κu in Ω](a110x.png) | (1a) |
and the boundary condition
![Tu ⋅ν = cosγ on Σ = dΩ.](a111x.png) | (1b) |
Here κ is a positive constant, Ω is an open domain in n-dimensional Euclidean space,
ν is the exterior unit normal on Σ, and Tu is the vector operator
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Mathematical Subject Classification 2000
Primary: 35J65
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Milestones
Received: 28 September 1979
Published: 1 June 1980
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