%0 Journal Article
%A V. V. Pospelov
%T The error of approximation of a function of two variables by sums of the products of functions of one variable
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1978
%P 1307-1308
%V 18
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_5_a24/
%G ru
%F ZVMMF_1978_18_5_a24