TY - JOUR AU - Křížek, Michal AU - Roos, Hans-Goerg AU - Chen, Wei TI - Two-sided bounds of the discretization error for finite elements JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2011 SP - 915 EP - 924 VL - 45 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2011003/ DO - 10.1051/m2an/2011003 LA - en ID - M2AN_2011__45_5_915_0 ER -