Boundedness of the gradient of a solution to the Neumann–Laplace problem in a convex domain

Vladimir Maz'ya

Comptes Rendus. Mathématique, Volume 347 (2009) p. 517-520

Pathological solutions to elliptic problems in divergence form with continuous coefficients

Tianling Jin; Vladimir Maz'ya; Jean Van Schaftingen

Comptes Rendus. Mathématique, Volume 347 (2009) p. 773-778