@article{M2AN_2011__45_5_915_0,
     author = {K\v{r}{\'\i}\v{z}ek, Michal and Roos, Hans-Goerg and Chen, Wei},
     title = {Two-sided bounds of the discretization error for finite elements},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {915--924},
     publisher = {EDP-Sciences},
     volume = {45},
     number = {5},
     year = {2011},
     doi = {10.1051/m2an/2011003},
     mrnumber = {2817550},
     zbl = {1269.65113},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2011003/}
}