Ukrainian Mathematical Bulletin

Volume 2, Issue 4, 2005 pp. 487-494.

On the Infinite Differentiability of Solutions of a Boundary-Value Problem for a Polyharmonic Equation in an Angular Domain

Authors: Ramzet Dzhafarov
Author institution: Institute of Applied Mathematics and Mechanics of NAS of Ukraine 74 Rosa Luxemburg Str., 83114, Donetsk Ukraine, dzhafarov@ukr.net

Summary: We establish the infinite differentiability of a solution in domains admitting expansion to the entire space.

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