Emmanuil H. Georgoulis
hp-version interior penalty discontinuous Galerkin finite element methods on anisotropic meshes.
Int. J. Numer. Anal. Mod., 3 (2006), pp. 52-79. Abstract
Georgoulis EH, Hall E, Houston P
Discontinuous Galerkin methods for advection-diffusion-reaction problems on anisotropically refined meshes
SIAM J SCI COMPUT, 30, 1(2007), pp. 246-271