%0 Journal Article %A Lin, Qun %A Xie, Hehu %T A Superconvergence result for mixed finite element approximations of the eigenvalue problem %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2012 %P 797-812 %V 46 %N 4 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2011065/ %R 10.1051/m2an/2011065 %G en %F M2AN_2012__46_4_797_0