%0 Journal Article
%A Yu. A. Kaz'min
%T The closures of the linear spans of two systems of functions
%J Doklady Akademii Nauk
%D 1977
%P 535-537
%V 236
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_236_3_a4/
%G ru
%F DAN_1977_236_3_a4