On a Discrete Maximum Principle for Linear FE Solutions of Elliptic Problems with a Nondiagonal Coefficient Matrix. - Sergey Korotov; Michal Krízek; Jakub Solc (NAA, 2008)

On Nonobtuse Simplicial Partitions. - Jan Brandts; Sergey Korotov; Michal Krízek; Jakub Solc (SIAM Rev., 2009)