%0 Journal Article
%A V. N. Orlov
%T Piecewise polynomial approximation in $W^1_2$ of functions from $W^2_p$, $1
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1978
%P 935-942
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_4_a12/
%G ru
%F ZVMMF_1978_18_4_a12