%0 Journal Article %A Ku, JaEun %A Lee, Young Ju %A Sheen, Dongwoo %T A hybrid two-step finite element method for flux approximation: a priori estimates %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2017 %P 1303-1316 %V 51 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/m2an/2016062/ %R 10.1051/m2an/2016062 %G en %F M2AN_2017__51_4_1303_0