%0 Journal Article
%A Michal Krizek
%A Pekka Neittaanmäki
%T Superconvergence Phenomenon in the Finite Element Method Arising from Averaging Gradients.
%J Numerische Mathematik
%D 1984
%P 105-116
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1984__45_132955/
%F NUMA_1984__45_132955