%0 Journal Article
%A Ern, Alexandre
%A Guermond, Jean-Luc
%T Finite element quasi-interpolation and best approximation
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 2017
%P 1367-1385
%V 51
%N 4
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/m2an/2016066/
%R 10.1051/m2an/2016066
%G en
%F M2AN_2017__51_4_1367_0