%0 Journal Article
%A L. P. Vlasov
%T Subspaces of finite codimension: The existence of elements of best approximation
%J Matematičeskie zametki
%D 1985
%P 78-85
%V 37
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1985_37_1_a8/
%G ru
%F MZM_1985_37_1_a8