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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 25, No. 4, pp. 536–540, July–August, 1973.
In conclusion the author wishes to express his profound gratitude to Yu. M. Berezanski and Ya. A. Roitberg for supervising the writing of this paper.
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Kostarchuk, Y.V. Local increase of smoothness of generalized solutions of elliptic boundary problems with nonnormal boundary conditions. Ukr Math J 25, 445–448 (1973). https://doi.org/10.1007/BF01085460
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DOI: https://doi.org/10.1007/BF01085460