Abstract
We show that the oblique derivative problem for the Helmholtz equation in a disk is uniquely solvable under certain restrictions on the parameter.
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Original Russian Text © A. A. Polosin, 2018, published in Differentsial’nye Uravneniya, 2018, Vol. 54, No. 4, pp. 492–501.
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Polosin, A.A. Oblique Derivative Problem for the Helmholtz Equation in a Disk. Diff Equat 54, 486–496 (2018). https://doi.org/10.1134/S0012266118040067
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DOI: https://doi.org/10.1134/S0012266118040067