%0 Journal Article
%A B. L. Fridman
%T An estimate of the dimension of the null spaces of linear superpositions
%J Sbornik. Mathematics
%D 1970
%P 101-114
%V 11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1970_11_1_a7/
%G en
%F SM_1970_11_1_a7