%0 Journal Article
%A U. Banerjee
%T Lower Norm Estimates for Approximate Solutions of Differential Equations with Non-Smooth Coefficients.
%J Numerische Mathematik
%D 1987
%P 303-322
%V 51
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1987__51_133197/
%F NUMA_1987__51_133197