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The Harnack inequality for elliptic equations and Hölder property of their solutions. (Russian) Zbl 0458.35028


MSC:

35J25 Boundary value problems for second-order elliptic equations
35B65 Smoothness and regularity of solutions to PDEs
35R45 Partial differential inequalities and systems of partial differential inequalities
26A16 Lipschitz (Hölder) classes