1. A posteriori error estimation in finite element analysis;Ainsworth,2000
2. A Review of a Posteriori Error Estimation and Adaptive Mesh-refinement Techniques;Verfürth,1996
3. The finite element method and its reliability;Babuska,2001
4. Reliable Methods for Computer Simulation;Neittaanmäki,2004
5. A Posteriori Estimates for Partial Differential Equations;Repin,2008