A posteriori error estimations of a SUPG method for anisotropic diffusion–convection–reaction problems

Apel, Thomas; Nicaise, Serge

Comptes Rendus. Mathématique, Volume 345 (2007) p. 657-662

An accurate H(div) flux reconstruction for discontinuous Galerkin approximations of elliptic problems

Ern, Alexandre; Nicaise, Serge; Vohralík, Martin

Comptes Rendus. Mathématique, Volume 345 (2007) p. 709-712