%0 Journal Article
%A N. V. Baidakova
%T Lower estimates for the error of approximation of derivatives for composite finite elements with smoothness properties
%J Trudy Instituta matematiki i mehaniki
%D 2014
%P 32-42
%V 20
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_2014_20_1_a3/
%G ru
%F TIMM_2014_20_1_a3