%0 Journal Article
%A V. E. Ismailov
%T Approximation by sums of ridge functions with fixed directions
%J Algebra i analiz
%D 2016
%P 20-69
%V 28
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_2016_28_6_a1/
%G ru
%F AA_2016_28_6_a1