%0 Journal Article
%A L. P. Vlasov
%T A characterization of generalized and classical best approximation elements relative to spaces of finite codimension
%J Matematičeskie zametki
%D 1980
%P 707-716
%V 28
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1980_28_5_a6/
%G ru
%F MZM_1980_28_5_a6